diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2360956..346737b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,4 +22,4 @@ jobs:
             tests/not_license.txt
 
       - name: Show diff
-        run: git diff tests/
+        run: git diff --color=always tests/