diff --git a/npm/package-lock.json b/npm/package-lock.json
index 6809f99ec..654f9e4ff 100644
--- a/npm/package-lock.json
+++ b/npm/package-lock.json
@@ -13,9 +13,71 @@
         "packages/dhkem-x448",
         "packages/dhkem-secp256k1",
         "packages/hybridkem-x25519-kyber768",
-        "packages/hpke-js"
+        "packages/hpke-js",
+        "../**/*/samples/node"
       ]
     },
+    "../packages/chacha20poly1305/samples/node": {
+      "name": "samples-node-hpke-chacha20poly1305",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/chacha20poly1305": "^1.4.3",
+        "@hpke/core": "^1.4.3"
+      }
+    },
+    "../packages/core/samples/node": {
+      "name": "samples-node-hpke-core",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/core": "^1.5.0"
+      }
+    },
+    "../packages/dhkem-secp256k1/samples/node": {
+      "name": "samples-node-hpke-dhkem-secp256k1",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/core": "^1.5.0",
+        "@hpke/dhkem-secp256k1": "^1.5.0"
+      }
+    },
+    "../packages/dhkem-x25519/samples/node": {
+      "name": "samples-node-hpke-dhkem-x25519",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/core": "^1.5.0",
+        "@hpke/dhkem-x25519": "^1.5.0"
+      }
+    },
+    "../packages/dhkem-x448/samples/node": {
+      "name": "samples-node-hpke-dhkem-x448",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/core": "^1.4.3",
+        "@hpke/dhkem-x448": "^1.4.3"
+      }
+    },
+    "../packages/hpke-js/samples/node": {
+      "name": "samples-node-hpke-js",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "hpke-js": "^1.5.0"
+      }
+    },
+    "../packages/hybridkem-x25519-kyber768/samples/node": {
+      "name": "samples-node-hpke-hybridkem-x25519-kyber768",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@hpke/core": "^1.5.0",
+        "@hpke/hybridkem-x25519-kyber768": "^1.5.0"
+      }
+    },
     "node_modules/@deno/shim-deno": {
       "version": "0.18.2",
       "resolved": "https://registry.npmjs.org/@deno/shim-deno/-/shim-deno-0.18.2.tgz",
@@ -126,6 +188,34 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/samples-node-hpke-chacha20poly1305": {
+      "resolved": "../packages/chacha20poly1305/samples/node",
+      "link": true
+    },
+    "node_modules/samples-node-hpke-core": {
+      "resolved": "../packages/core/samples/node",
+      "link": true
+    },
+    "node_modules/samples-node-hpke-dhkem-secp256k1": {
+      "resolved": "../packages/dhkem-secp256k1/samples/node",
+      "link": true
+    },
+    "node_modules/samples-node-hpke-dhkem-x25519": {
+      "resolved": "../packages/dhkem-x25519/samples/node",
+      "link": true
+    },
+    "node_modules/samples-node-hpke-dhkem-x448": {
+      "resolved": "../packages/dhkem-x448/samples/node",
+      "link": true
+    },
+    "node_modules/samples-node-hpke-hybridkem-x25519-kyber768": {
+      "resolved": "../packages/hybridkem-x25519-kyber768/samples/node",
+      "link": true
+    },
+    "node_modules/samples-node-hpke-js": {
+      "resolved": "../packages/hpke-js/samples/node",
+      "link": true
+    },
     "node_modules/undici-types": {
       "version": "6.19.8",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
diff --git a/npm/package.json b/npm/package.json
index 44a3cbea4..07b214700 100644
--- a/npm/package.json
+++ b/npm/package.json
@@ -9,6 +9,7 @@
     "packages/dhkem-x448",
     "packages/dhkem-secp256k1",
     "packages/hybridkem-x25519-kyber768",
-    "packages/hpke-js"
+    "packages/hpke-js",
+    "../**/*/samples/node"
   ]
 }
diff --git a/packages/chacha20poly1305/samples/node/package-lock.json b/packages/chacha20poly1305/samples/node/package-lock.json
deleted file mode 100644
index 2b34b97b7..000000000
--- a/packages/chacha20poly1305/samples/node/package-lock.json
+++ /dev/null
@@ -1,60 +0,0 @@
-{
-  "name": "node-hpke-core",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "node-hpke-core",
-      "version": "1.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/chacha20poly1305": "^1.4.3",
-        "@hpke/core": "^1.4.3"
-      }
-    },
-    "node_modules/@hpke/chacha20poly1305": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/chacha20poly1305/-/chacha20poly1305-1.4.3.tgz",
-      "integrity": "sha512-0of93jR0wlq2lG4RvXyrzL2qXKvi/ITWSwEp1sSVfxys8wlGU3aKrEwj0NeCXoHHKb5ei/n9VzsdlpC0xZsvFg==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/ciphers": "^0.5.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/common": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/common/-/common-1.4.3.tgz",
-      "integrity": "sha512-jLM6eqINUOqFYHA36qxo/BoLL1k1TW3xqAl996GyMXK1E7cGL1jTp0igBcBrEmHPC+Pl2RbpyOZlYyWC91mt2g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/core": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/core/-/core-1.4.3.tgz",
-      "integrity": "sha512-10ZwPlNcoM8t9NN4BV26Q437WQv+bKldSVTDL1XM8PvJYz7HbhhJUKrfyMmLIU8jA93t7hYPsOM12eGlDJtklQ==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@noble/ciphers": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/@noble/ciphers/-/ciphers-0.5.3.tgz",
-      "integrity": "sha512-B0+6IIHiqEs3BPMT0hcRmHvEj2QHOLu+uwt+tqDDeVd0oyVzh7BPrDcPjRnV1PV/5LaknXJJQvOuRGR0zQJz+w==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    }
-  }
-}
diff --git a/packages/chacha20poly1305/samples/node/package.json b/packages/chacha20poly1305/samples/node/package.json
index c122c560b..bb67eec3c 100644
--- a/packages/chacha20poly1305/samples/node/package.json
+++ b/packages/chacha20poly1305/samples/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "node-hpke-core",
+  "name": "samples-node-hpke-chacha20poly1305",
   "version": "1.0.0",
   "description": "A sample code of @hpke/core.",
   "type": "module",
diff --git a/packages/core/samples/node/package-lock.json b/packages/core/samples/node/package-lock.json
deleted file mode 100644
index c9759dc78..000000000
--- a/packages/core/samples/node/package-lock.json
+++ /dev/null
@@ -1,37 +0,0 @@
-{
-  "name": "node-hpke-core",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "node-hpke-core",
-      "version": "1.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/core": "^1.5.0"
-      }
-    },
-    "node_modules/@hpke/common": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/common/-/common-1.4.3.tgz",
-      "integrity": "sha512-jLM6eqINUOqFYHA36qxo/BoLL1k1TW3xqAl996GyMXK1E7cGL1jTp0igBcBrEmHPC+Pl2RbpyOZlYyWC91mt2g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/core": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@hpke/core/-/core-1.5.0.tgz",
-      "integrity": "sha512-l39NqGCQPUc2pQrZwqoAkKMdL1xwVson+ZaQl69LF1dOccKtHBwgu2FBjzo2RpkLE3sNC3RSqVVPDqHptPFRrw==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    }
-  }
-}
diff --git a/packages/core/samples/node/package.json b/packages/core/samples/node/package.json
index 370b03472..1b2a9327a 100644
--- a/packages/core/samples/node/package.json
+++ b/packages/core/samples/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "node-hpke-core",
+  "name": "samples-node-hpke-core",
   "version": "1.0.0",
   "description": "A sample code of @hpke/core.",
   "type": "module",
diff --git a/packages/dhkem-secp256k1/samples/node/package-lock.json b/packages/dhkem-secp256k1/samples/node/package-lock.json
deleted file mode 100644
index 9e3f06f3b..000000000
--- a/packages/dhkem-secp256k1/samples/node/package-lock.json
+++ /dev/null
@@ -1,93 +0,0 @@
-{
-  "name": "node-hpke-core",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "node-hpke-core",
-      "version": "1.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/core": "^1.5.0",
-        "@hpke/dhkem-secp256k1": "^1.5.0"
-      }
-    },
-    "node_modules/@hpke/common": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/common/-/common-1.4.3.tgz",
-      "integrity": "sha512-jLM6eqINUOqFYHA36qxo/BoLL1k1TW3xqAl996GyMXK1E7cGL1jTp0igBcBrEmHPC+Pl2RbpyOZlYyWC91mt2g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/core": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@hpke/core/-/core-1.5.0.tgz",
-      "integrity": "sha512-l39NqGCQPUc2pQrZwqoAkKMdL1xwVson+ZaQl69LF1dOccKtHBwgu2FBjzo2RpkLE3sNC3RSqVVPDqHptPFRrw==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/dhkem-secp256k1": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@hpke/dhkem-secp256k1/-/dhkem-secp256k1-1.5.0.tgz",
-      "integrity": "sha512-78q6VR70QO85NSxvrN2IkHlK/bolSadhwEURLbtl1MGtAC6YGPc+g0hrEdNDTFvotWfMTw/FoP+rRvMWyee60A==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@hpke/dhkem-x25519": "^1.4.3",
-        "@noble/curves": "^1.4.2"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/dhkem-x25519": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/dhkem-x25519/-/dhkem-x25519-1.4.3.tgz",
-      "integrity": "sha512-QFb09/hR/iJKurTvOY1PJ/TGr0CgAf2AO6HeyhP93afa5U3dg4xR038FhMvCw1XTe/hTvww9QoMJ+bAgMOwu7A==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/curves": "^1.4.2",
-        "@noble/hashes": "^1.4.0"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@noble/curves": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.6.0.tgz",
-      "integrity": "sha512-TlaHRXDehJuRNR9TfZDNQ45mMEd5dwUwmicsafcIX4SsNiqnCHKjE/1alYPd/lDRVhxdhUAlv8uEhMCI5zjIJQ==",
-      "license": "MIT",
-      "dependencies": {
-        "@noble/hashes": "1.5.0"
-      },
-      "engines": {
-        "node": "^14.21.3 || >=16"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/@noble/hashes": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.5.0.tgz",
-      "integrity": "sha512-1j6kQFb7QRru7eKN3ZDvRcP13rugwdxZqCjbiAVZfIJwgj2A65UmT4TgARXGlXgnRkORLTDTrO19ZErt7+QXgA==",
-      "license": "MIT",
-      "engines": {
-        "node": "^14.21.3 || >=16"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    }
-  }
-}
diff --git a/packages/dhkem-secp256k1/samples/node/package.json b/packages/dhkem-secp256k1/samples/node/package.json
index 17ef844de..64a90c20c 100644
--- a/packages/dhkem-secp256k1/samples/node/package.json
+++ b/packages/dhkem-secp256k1/samples/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "node-hpke-core",
+  "name": "samples-node-hpke-dhkem-secp256k1",
   "version": "1.0.0",
   "description": "A sample code of @hpke/core.",
   "type": "module",
diff --git a/packages/dhkem-x25519/samples/node/package-lock.json b/packages/dhkem-x25519/samples/node/package-lock.json
deleted file mode 100644
index 4f7f781c6..000000000
--- a/packages/dhkem-x25519/samples/node/package-lock.json
+++ /dev/null
@@ -1,76 +0,0 @@
-{
-  "name": "node-hpke-core",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "node-hpke-core",
-      "version": "1.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/core": "^1.5.0",
-        "@hpke/dhkem-x25519": "^1.5.0"
-      }
-    },
-    "node_modules/@hpke/common": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/common/-/common-1.4.3.tgz",
-      "integrity": "sha512-jLM6eqINUOqFYHA36qxo/BoLL1k1TW3xqAl996GyMXK1E7cGL1jTp0igBcBrEmHPC+Pl2RbpyOZlYyWC91mt2g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/core": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@hpke/core/-/core-1.5.0.tgz",
-      "integrity": "sha512-l39NqGCQPUc2pQrZwqoAkKMdL1xwVson+ZaQl69LF1dOccKtHBwgu2FBjzo2RpkLE3sNC3RSqVVPDqHptPFRrw==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/dhkem-x25519": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@hpke/dhkem-x25519/-/dhkem-x25519-1.5.0.tgz",
-      "integrity": "sha512-VSJy+YwRek7KTNiVSZipivI6U9ppQq/9vaHUNv/AEnk1CbbYL9xgDtFa9bf5pfqDEgKnUSwxnUCiO2SztI07jg==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/curves": "^1.4.2",
-        "@noble/hashes": "^1.4.0"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@noble/curves": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.4.2.tgz",
-      "integrity": "sha512-TavHr8qycMChk8UwMld0ZDRvatedkzWfH8IiaeGCfymOP5i0hSCozz9vHOL0nkwk7HRMlFnAiKpS2jrUmSybcw==",
-      "license": "MIT",
-      "dependencies": {
-        "@noble/hashes": "1.4.0"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/@noble/hashes": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.4.0.tgz",
-      "integrity": "sha512-V1JJ1WTRUqHHrOSh597hURcMqVKVGL/ea3kv0gSnEdsEZ0/+VyPghM1lMNGc00z7CIQorSvbKpuJkxvuHbvdbg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 16"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    }
-  }
-}
diff --git a/packages/dhkem-x25519/samples/node/package.json b/packages/dhkem-x25519/samples/node/package.json
index 15210abb3..3a1b0fc04 100644
--- a/packages/dhkem-x25519/samples/node/package.json
+++ b/packages/dhkem-x25519/samples/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "node-hpke-core",
+  "name": "samples-node-hpke-dhkem-x25519",
   "version": "1.0.0",
   "description": "A sample code of @hpke/core.",
   "type": "module",
diff --git a/packages/dhkem-x448/samples/node/package-lock.json b/packages/dhkem-x448/samples/node/package-lock.json
deleted file mode 100644
index 4a502830a..000000000
--- a/packages/dhkem-x448/samples/node/package-lock.json
+++ /dev/null
@@ -1,76 +0,0 @@
-{
-  "name": "node-hpke-core",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "node-hpke-core",
-      "version": "1.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/core": "^1.4.3",
-        "@hpke/dhkem-x448": "^1.4.3"
-      }
-    },
-    "node_modules/@hpke/common": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/common/-/common-1.4.3.tgz",
-      "integrity": "sha512-jLM6eqINUOqFYHA36qxo/BoLL1k1TW3xqAl996GyMXK1E7cGL1jTp0igBcBrEmHPC+Pl2RbpyOZlYyWC91mt2g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/core": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/core/-/core-1.4.3.tgz",
-      "integrity": "sha512-10ZwPlNcoM8t9NN4BV26Q437WQv+bKldSVTDL1XM8PvJYz7HbhhJUKrfyMmLIU8jA93t7hYPsOM12eGlDJtklQ==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/dhkem-x448": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/dhkem-x448/-/dhkem-x448-1.4.3.tgz",
-      "integrity": "sha512-V5r4AD2O5rNBknDW2G2UlV8+TIX3HEEYRfPbtRMvuP4iAV2o9XcTGFJf31MAYbfMUBFwaQ+abvcCmbOI6bmneA==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/curves": "^1.4.2",
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-      "license": "MIT",
-      "dependencies": {
-        "@noble/hashes": "1.4.0"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/@noble/hashes": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.4.0.tgz",
-      "integrity": "sha512-V1JJ1WTRUqHHrOSh597hURcMqVKVGL/ea3kv0gSnEdsEZ0/+VyPghM1lMNGc00z7CIQorSvbKpuJkxvuHbvdbg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 16"
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-      }
-    }
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-}
diff --git a/packages/dhkem-x448/samples/node/package.json b/packages/dhkem-x448/samples/node/package.json
index 6a6373581..b191a53ba 100644
--- a/packages/dhkem-x448/samples/node/package.json
+++ b/packages/dhkem-x448/samples/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "node-hpke-core",
+  "name": "samples-node-hpke-dhkem-x448",
   "version": "1.0.0",
   "description": "A sample code of @hpke/core.",
   "type": "module",
diff --git a/packages/hpke-js/samples/node/package-lock.json b/packages/hpke-js/samples/node/package-lock.json
deleted file mode 100644
index 24e5cd5fc..000000000
--- a/packages/hpke-js/samples/node/package-lock.json
+++ /dev/null
@@ -1,131 +0,0 @@
-{
-  "name": "node-hpke-js",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "node-hpke-js",
-      "version": "1.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "hpke-js": "^1.5.0"
-      }
-    },
-    "node_modules/@hpke/chacha20poly1305": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/chacha20poly1305/-/chacha20poly1305-1.4.3.tgz",
-      "integrity": "sha512-0of93jR0wlq2lG4RvXyrzL2qXKvi/ITWSwEp1sSVfxys8wlGU3aKrEwj0NeCXoHHKb5ei/n9VzsdlpC0xZsvFg==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/ciphers": "^0.5.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/common": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/common/-/common-1.4.3.tgz",
-      "integrity": "sha512-jLM6eqINUOqFYHA36qxo/BoLL1k1TW3xqAl996GyMXK1E7cGL1jTp0igBcBrEmHPC+Pl2RbpyOZlYyWC91mt2g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/core": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/core/-/core-1.4.3.tgz",
-      "integrity": "sha512-10ZwPlNcoM8t9NN4BV26Q437WQv+bKldSVTDL1XM8PvJYz7HbhhJUKrfyMmLIU8jA93t7hYPsOM12eGlDJtklQ==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/dhkem-x25519": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/dhkem-x25519/-/dhkem-x25519-1.4.3.tgz",
-      "integrity": "sha512-QFb09/hR/iJKurTvOY1PJ/TGr0CgAf2AO6HeyhP93afa5U3dg4xR038FhMvCw1XTe/hTvww9QoMJ+bAgMOwu7A==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/curves": "^1.4.2",
-        "@noble/hashes": "^1.4.0"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/dhkem-x448": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/dhkem-x448/-/dhkem-x448-1.4.3.tgz",
-      "integrity": "sha512-V5r4AD2O5rNBknDW2G2UlV8+TIX3HEEYRfPbtRMvuP4iAV2o9XcTGFJf31MAYbfMUBFwaQ+abvcCmbOI6bmneA==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/curves": "^1.4.2",
-        "@noble/hashes": "^1.4.0"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@noble/ciphers": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/@noble/ciphers/-/ciphers-0.5.3.tgz",
-      "integrity": "sha512-B0+6IIHiqEs3BPMT0hcRmHvEj2QHOLu+uwt+tqDDeVd0oyVzh7BPrDcPjRnV1PV/5LaknXJJQvOuRGR0zQJz+w==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/@noble/curves": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.6.0.tgz",
-      "integrity": "sha512-TlaHRXDehJuRNR9TfZDNQ45mMEd5dwUwmicsafcIX4SsNiqnCHKjE/1alYPd/lDRVhxdhUAlv8uEhMCI5zjIJQ==",
-      "license": "MIT",
-      "dependencies": {
-        "@noble/hashes": "1.5.0"
-      },
-      "engines": {
-        "node": "^14.21.3 || >=16"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/@noble/hashes": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.5.0.tgz",
-      "integrity": "sha512-1j6kQFb7QRru7eKN3ZDvRcP13rugwdxZqCjbiAVZfIJwgj2A65UmT4TgARXGlXgnRkORLTDTrO19ZErt7+QXgA==",
-      "license": "MIT",
-      "engines": {
-        "node": "^14.21.3 || >=16"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/hpke-js": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/hpke-js/-/hpke-js-1.5.0.tgz",
-      "integrity": "sha512-ko4OjlbVQxO5q+NuXOSB2hpIQFnR+Xa5QmWlg3g2EFf2SIj8fIwAS422PZfjw+kxNZ/mMz4fvCx7JrL/UDWccQ==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/chacha20poly1305": "^1.4.3",
-        "@hpke/common": "^1.4.3",
-        "@hpke/core": "^1.4.3",
-        "@hpke/dhkem-x25519": "^1.4.3",
-        "@hpke/dhkem-x448": "^1.4.3",
-        "@noble/hashes": "^1.4.0"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    }
-  }
-}
diff --git a/packages/hpke-js/samples/node/package.json b/packages/hpke-js/samples/node/package.json
index 9b483ba02..8e1214e7d 100644
--- a/packages/hpke-js/samples/node/package.json
+++ b/packages/hpke-js/samples/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "node-hpke-js",
+  "name": "samples-node-hpke-js",
   "version": "1.0.0",
   "description": "A sample code of hpke-js.",
   "type": "module",
diff --git a/packages/hybridkem-x25519-kyber768/samples/node/package-lock.json b/packages/hybridkem-x25519-kyber768/samples/node/package-lock.json
deleted file mode 100644
index 22c3be7ec..000000000
--- a/packages/hybridkem-x25519-kyber768/samples/node/package-lock.json
+++ /dev/null
@@ -1,94 +0,0 @@
-{
-  "name": "node-hpke-core",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "node-hpke-core",
-      "version": "1.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/core": "^1.5.0",
-        "@hpke/hybridkem-x25519-kyber768": "^1.5.0"
-      }
-    },
-    "node_modules/@hpke/common": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/common/-/common-1.4.3.tgz",
-      "integrity": "sha512-jLM6eqINUOqFYHA36qxo/BoLL1k1TW3xqAl996GyMXK1E7cGL1jTp0igBcBrEmHPC+Pl2RbpyOZlYyWC91mt2g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/core": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@hpke/core/-/core-1.5.0.tgz",
-      "integrity": "sha512-l39NqGCQPUc2pQrZwqoAkKMdL1xwVson+ZaQl69LF1dOccKtHBwgu2FBjzo2RpkLE3sNC3RSqVVPDqHptPFRrw==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/dhkem-x25519": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/@hpke/dhkem-x25519/-/dhkem-x25519-1.4.3.tgz",
-      "integrity": "sha512-QFb09/hR/iJKurTvOY1PJ/TGr0CgAf2AO6HeyhP93afa5U3dg4xR038FhMvCw1XTe/hTvww9QoMJ+bAgMOwu7A==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@noble/curves": "^1.4.2",
-        "@noble/hashes": "^1.4.0"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
-    },
-    "node_modules/@hpke/hybridkem-x25519-kyber768": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@hpke/hybridkem-x25519-kyber768/-/hybridkem-x25519-kyber768-1.5.0.tgz",
-      "integrity": "sha512-S5dpvK76blw3BC+0sePFrMxobiKDmjjV1hkfSMaS2kjZTjckGkiBgR0gOiE04TeTrC5EkrXqFegNmFOiBdjfsw==",
-      "license": "MIT",
-      "dependencies": {
-        "@hpke/common": "^1.4.3",
-        "@hpke/core": "^1.4.3",
-        "@hpke/dhkem-x25519": "^1.4.3",
-        "@noble/hashes": "^1.4.0"
-      },
-      "engines": {
-        "node": ">=16.0.0"
-      }
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-    "node_modules/@noble/curves": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.6.0.tgz",
-      "integrity": "sha512-TlaHRXDehJuRNR9TfZDNQ45mMEd5dwUwmicsafcIX4SsNiqnCHKjE/1alYPd/lDRVhxdhUAlv8uEhMCI5zjIJQ==",
-      "license": "MIT",
-      "dependencies": {
-        "@noble/hashes": "1.5.0"
-      },
-      "engines": {
-        "node": "^14.21.3 || >=16"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/@noble/hashes": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.5.0.tgz",
-      "integrity": "sha512-1j6kQFb7QRru7eKN3ZDvRcP13rugwdxZqCjbiAVZfIJwgj2A65UmT4TgARXGlXgnRkORLTDTrO19ZErt7+QXgA==",
-      "license": "MIT",
-      "engines": {
-        "node": "^14.21.3 || >=16"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    }
-  }
-}
diff --git a/packages/hybridkem-x25519-kyber768/samples/node/package.json b/packages/hybridkem-x25519-kyber768/samples/node/package.json
index f36e082d4..500faaa01 100644
--- a/packages/hybridkem-x25519-kyber768/samples/node/package.json
+++ b/packages/hybridkem-x25519-kyber768/samples/node/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "node-hpke-core",
+  "name": "samples-node-hpke-hybridkem-x25519-kyber768",
   "version": "1.0.0",
   "description": "A sample code of @hpke/core.",
   "type": "module",