diff --git a/.github/workflows/test-dotnet.yml b/.github/workflows/test-dotnet.yml
index bd2cbe5..248ec3a 100644
--- a/.github/workflows/test-dotnet.yml
+++ b/.github/workflows/test-dotnet.yml
@@ -28,4 +28,9 @@ jobs:
       - name: Setup dotnet ${{ matrix.dotnet-version }}
         uses: ./
         with:
-          dotnet-version: ${{ matrix.dotnet-version }}
\ No newline at end of file
+          dotnet-version: ${{ matrix.dotnet-version }}
+      - name: Check installed version
+        shell: pwsh
+        run: |
+          $version = & dotnet --version
+          if (-not $version.StartsWith(${{ matrix.dotnet-version }})) { throw "Unexpected version" }
\ No newline at end of file