diff --git a/composer.json b/composer.json
index e38c755bd4650..99fcbefea9f08 100644
--- a/composer.json
+++ b/composer.json
@@ -104,7 +104,7 @@
     "enshrined/svg-sanitize": "^0.15.4",
     "lcobucci/jwt": "^4.3.0",
     "web-token/jwt-library": "^3.4.6",
-    "phpseclib/bcmath_compat": "^2.0.2",
+    "phpseclib/bcmath_compat": "^2.0.3",
     "jfcherng/php-diff": "^6.16.2",
     "voku/portable-utf8": "^6.0.13",
     "php-tuf/php-tuf": "^1.0.1"
diff --git a/composer.lock b/composer.lock
index 0a214ff602079..f0be1183e324a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ba4c2e20195d36f49dcbc2f283e824be",
+    "content-hash": "a87e5ea1bed13d2cb2cc13ce488ec3b3",
     "packages": [
         {
             "name": "algo26-matthias/idna-convert",
@@ -3240,16 +3240,16 @@
         },
         {
             "name": "phpseclib/bcmath_compat",
-            "version": "2.0.2",
+            "version": "2.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/bcmath_compat.git",
-                "reference": "29bbf07a7039ff65ce7daa44502ba34baf1512ec"
+                "reference": "ae8f87ea0c96b2ef08ecf0d291d45372d0f7bc5a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/bcmath_compat/zipball/29bbf07a7039ff65ce7daa44502ba34baf1512ec",
-                "reference": "29bbf07a7039ff65ce7daa44502ba34baf1512ec",
+                "url": "https://api.github.com/repos/phpseclib/bcmath_compat/zipball/ae8f87ea0c96b2ef08ecf0d291d45372d0f7bc5a",
+                "reference": "ae8f87ea0c96b2ef08ecf0d291d45372d0f7bc5a",
                 "shasum": ""
             },
             "require": {
@@ -3298,7 +3298,7 @@
                 "issues": "https://github.com/phpseclib/bcmath_compat/issues",
                 "source": "https://github.com/phpseclib/bcmath_compat"
             },
-            "time": "2024-02-21T10:30:36+00:00"
+            "time": "2024-06-06T14:17:54+00:00"
         },
         {
             "name": "phpseclib/phpseclib",