diff --git a/projects/github.com/charliermarsh/ruff/package.yml b/projects/github.com/charliermarsh/ruff/package.yml
index 37e5fcda..e2d35cf3 100644
--- a/projects/github.com/charliermarsh/ruff/package.yml
+++ b/projects/github.com/charliermarsh/ruff/package.yml
@@ -17,7 +17,7 @@ provides:
 
 test:
   script: |
-    ruff -e $FIXTURE | grep "F401 \`os\` imported but unused"
+    ruff -e $FIXTURE | grep "\`os\` imported but unused"
     ruff --fix $FIXTURE
     test ! -s $FIXTURE
   fixture: |