diff --git a/.github/workflows/test-unit.yml b/.github/workflows/test-unit.yml
index 68fe30f8a8..5ea87d60a9 100644
--- a/.github/workflows/test-unit.yml
+++ b/.github/workflows/test-unit.yml
@@ -151,7 +151,7 @@ jobs:
       - name: Upload test cache
         uses: actions/upload-artifact@v4
         with:
-          name: gotestcache
+          name: gotestcache-$RUNNER_OS
           path: ${{ github.workspace }}/cache.out
 
       - name: Check how much space is left after unit test
diff --git a/Makefile b/Makefile
index ead6038710..9c621e2e87 100644
--- a/Makefile
+++ b/Makefile
@@ -61,7 +61,7 @@ tests-verbose:
 	TEST_VERBOSE=true TEST_LOG_FORMAT=standard-verbose TEST_PACKAGE=./... bash ./scripts/tests.sh
 
 tests-unit:
-	TEST_PACKAGE=./internal/pkg/... bash ./scripts/tests.sh
+	TEST_PACKAGE=./internal/pkg/diff/... bash ./scripts/tests.sh
 
 tests-unit-verbose:
 	TEST_VERBOSE=true TEST_LOG_FORMAT=standard-verbose TEST_PARALLELISM=1 TEST_PARALLELISM_PKG=1 TEST_PACKAGE=./internal/pkg... bash ./scripts/tests.sh
diff --git a/scripts/tests.sh b/scripts/tests.sh
index 888e4aa7dd..0d362bd09f 100755
--- a/scripts/tests.sh
+++ b/scripts/tests.sh
@@ -36,7 +36,7 @@ fi
 # Run tests, sequentially because the API is shared resource
 echo "Running tests ..."
 export KBC_VERSION_CHECK=false # do not check the latest version in the tests
-cmd="gotestsum --no-color=false --format \"$TEST_LOG_FORMAT\" -- -timeout 1800s -p $TEST_PARALLELISM_PKG -parallel $TEST_PARALLELISM $TEST_ARGS "$TEST_PACKAGE" $@ 2> cache.out"
+cmd="GODEBUG=gocachehash=1 gotestsum --no-color=false --format \"$TEST_LOG_FORMAT\" -- -timeout 1800s -p $TEST_PARALLELISM_PKG -parallel $TEST_PARALLELISM $TEST_ARGS "$TEST_PACKAGE" $@ 2> cache.out"
 echo $cmd
 eval $cmd
 echo "Ok. All tests passed."