diff --git a/.gitea/workflows/generate-docs.yml b/.gitea/workflows/generate-docs.yml
index a860446..0b9102b 100644
--- a/.gitea/workflows/generate-docs.yml
+++ b/.gitea/workflows/generate-docs.yml
@@ -32,7 +32,8 @@ jobs:
           ! grep -R "Generate terraform inventory" docs/public docs/diagrams
 
           # Ensure no obvious secrets leaked
-          ! grep -R -i "password\|token\|api[_-]?key\|secret" docs/public || (echo "Secret-like string detected"; exit 1)
+          ! grep -R -E -i "password|token|api[_-]?key|secret" docs/public \
+            || (echo "Secret-like string detected"; exit 1)
 
       - name: Commit changes
         run: |