diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index acd0250..f9640fe 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -82,7 +82,7 @@ jobs:
             @iconParam
 
       - name: Upload EXE artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: windows-installer
           path: build/ClaudeCodeInstaller.exe
@@ -127,7 +127,7 @@ jobs:
         # .command extension lets macOS users double-click to run in Terminal
 
       - name: Upload .command artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: mac-installer
           path: build/Install-ClaudeCode-mac.zip
@@ -138,13 +138,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Windows artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
         with:
           name: windows-installer
           path: artifacts
 
       - name: Download Mac artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
         with:
           name: mac-installer
           path: artifacts