diff --git a/.github/workflows/autotools.yml b/.github/workflows/autotools.yml
index 4d6fb6cb9..ec585f77a 100644
--- a/.github/workflows/autotools.yml
+++ b/.github/workflows/autotools.yml
@@ -11,6 +11,9 @@ jobs:
 
     runs-on: ubuntu-latest
     name: Ubuntu
+    env:
+        CFLAGS: "-Werror"
+        CXXFLAGS: "-Werror"
 
     steps:
     - uses: actions/checkout@v2