diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 447f19a..25f2514 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -13,10 +13,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7  # v5.2.0
         with:
           dotnet-version: '10.0.x'
 
@@ -27,7 +27,7 @@ jobs:
         run: dotnet publish LocalRelay/LocalRelay.csproj --configuration Release -o publish
 
       - name: Upload module artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
         with:
           name: OpenShock.LocalRelay.module
           path: publish/OpenShock.LocalRelay.module.zip