diff --git a/.github/scripts/npm_retention.py b/.github/scripts/npm_retention.py
new file mode 100644
index 0000000..d087c13
--- /dev/null
+++ b/.github/scripts/npm_retention.py
@@ -0,0 +1,112 @@
+import os
+import requests
+from datetime import datetime, timedelta
+import json
+import subprocess
+import re
+
+PACKAGE_NAME = "@upstash/vector"
+DAYS_TO_KEEP = 7
+CI_VERSIONS_TO_KEEP = 5
+NPM_TOKEN = os.environ.get("NPM_TOKEN")
+
+
+def run_npm_command(command):
+    try:
+        result = subprocess.run(command, capture_output=True, text=True, check=True)
+        return result.stdout.strip()
+    except subprocess.CalledProcessError as e:
+        print(f"Error running command: {e}")
+        print(e.stderr)
+        return None
+
+
+def get_package_versions():
+    output = run_npm_command(["npm", "view", PACKAGE_NAME, "versions", "--json"])
+    if output:
+        return json.loads(output)
+    print("Warning: No package version returned.")
+    return []
+
+
+def get_version_details(version):
+    output = run_npm_command(["npm", "view", f"{PACKAGE_NAME}@{version}", "--json"])
+    if output:
+        return json.loads(output)
+    print("Warning: No version detail returned.")
+    return {}
+
+
+def parse_ci_version_date(version):
+    match = re.search(r"-(\d{14})$", version)
+    if match:
+        date_str = match.group(1)
+        return datetime.strptime(date_str, "%Y%m%d%H%M%S")
+    return None
+
+
+def is_ci_version(version):
+    return bool(re.search(r"-ci\.", version))
+
+
+def deprecate_package_version(version):
+    result = run_npm_command(
+        [
+            "npm",
+            "deprecate",
+            f"{PACKAGE_NAME}@{version}",
+            "This CI version has been deprecated due to retention policy",
+        ]
+    )
+    if result is not None:
+        print(f"Successfully deprecated version: {version}")
+        return True
+    else:
+        print(f"Failed to deprecate version: {version}")
+        return False
+
+
+def apply_retention_policy():
+    versions = get_package_versions()
+
+    now = datetime.utcnow()
+    retention_date = now - timedelta(days=DAYS_TO_KEEP)
+
+    ci_versions = []
+
+    for version in versions:
+        if is_ci_version(version):
+            ci_date = parse_ci_version_date(version)
+            if ci_date:
+                version_details = get_version_details(version)
+                if version_details.get("deprecated"):
+                    print(f"Skipping deprecated version: {version}")
+                    continue
+                ci_versions.append((version, ci_date))
+            else:
+                print(f"Warning: Could not parse date from CI version: {version}")
+
+    ci_versions.sort(key=lambda x: x[1], reverse=True)
+
+    versions_to_keep = []
+    versions_to_deprecate = []
+
+    for version, date in ci_versions:
+        if len(versions_to_keep) < CI_VERSIONS_TO_KEEP or date > retention_date:
+            versions_to_keep.append(version)
+        else:
+            versions_to_deprecate.append(version)
+            print(f"Deprecating version: {version}")
+
+    for version in versions_to_deprecate:
+        version_deprecated = deprecate_package_version(version)
+        if not version_deprecated:
+            print(f"Failed to delete or deprecate version: {version}")
+
+    print(f"Keeping {len(versions_to_keep)} CI versions:")
+    for version in versions_to_keep:
+        print(f"  {version}")
+
+
+if __name__ == "__main__":
+    apply_retention_policy()
diff --git a/.github/workflows/npm_retention.yaml b/.github/workflows/npm_retention.yaml
new file mode 100644
index 0000000..8c30404
--- /dev/null
+++ b/.github/workflows/npm_retention.yaml
@@ -0,0 +1,39 @@
+name: NPM Package Retention
+
+on:
+  schedule:
+    - cron: "0 0 * * 0" # Run weekly on Sunday at midnight
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "14"
+
+      - name: Install npm
+        run: |
+          npm install -g npm@latest
+
+      - name: Configure npm
+        run: |
+          echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install requests
+
+      - name: Run retention script
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: python .github/scripts/npm_retention.py