diff --git a/.github/workflows/build-all-versions.yml b/.github/workflows/build-all-versions.yml
index 46bd05b23..fde8b2157 100644
--- a/.github/workflows/build-all-versions.yml
+++ b/.github/workflows/build-all-versions.yml
@@ -56,9 +56,9 @@ jobs:
         cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
         cabal build all
 
-    # - name: Test
-    #   run: |
-    #     cabal test all
+    - name: Test
+      run: |
+        cabal test all
 
   stack:
     name: stack / ghc ${{ matrix.ghc }}
@@ -90,6 +90,6 @@ jobs:
         stack build --system-ghc --stack-yaml stack-ghc${{ matrix.ghc }}.yaml
         # stack build --system-ghc --test --bench --no-run-tests --no-run-benchmarks
 
-    # - name: Test
-    #   run: |
-    #     stack test --system-ghc
+    - name: Test
+      run: |
+        stack test --system-ghc --stack-yaml stack-ghc${{ matrix.ghc }}.yaml