diff --git a/.github/workflows/knative-security.yaml b/.github/workflows/knative-security.yaml
index fbfe531d9..9f7bb3eda 100644
--- a/.github/workflows/knative-security.yaml
+++ b/.github/workflows/knative-security.yaml
@@ -48,3 +48,9 @@ jobs:
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v1
+
+    - name: Find Unicode Control Characters
+      uses: pierdipi/unicode-control-characters-action@v0.1.1
+      with:
+        args: -d .
+