diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c2ae4dccc9..825c42847f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -34,7 +34,7 @@ jobs:
         - name: Initialize CodeQL
           uses: github/codeql-action/init@v3
           with:
-              languages: python
+              languages: python, c
 
         - name: Install calibre dependencies
           run: