diff --git a/.github/workflows/dotnet-core.yml b/.github/workflows/dotnet-core.yml
index 9ee61f68..a48ad68c 100644
--- a/.github/workflows/dotnet-core.yml
+++ b/.github/workflows/dotnet-core.yml
@@ -18,7 +18,7 @@ jobs:
           submodules: 'recursive'
       
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v1.8.0
         with:
           dotnet-version: 5.0.101
 
diff --git a/.github/workflows/release-notes.yml b/.github/workflows/release-notes.yml
index cbb250f2..57ec8ee2 100644
--- a/.github/workflows/release-notes.yml
+++ b/.github/workflows/release-notes.yml
@@ -20,12 +20,12 @@ jobs:
 
       # Require .NET 5 for GitVersion and .NET 3 for GitRelesaseManager
       - name: Setup .NET Core 5 (GitVersion)
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v1.8.0
         with:
           dotnet-version: 5.0.x
 
       - name: Setup .NET Core 3 (GitReleaseManager)
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v1.8.0
         with:
           dotnet-version: 3.0.x