diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ee55c876..de7208f87 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
         submodules: recursive
 
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v1.6.0
       with:
         dotnet-version: ${{ env.DOTNET_SDK_VERSION }}