diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 91b160bf..636cd86d 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -20,23 +20,24 @@ permissions:
 jobs:
   check-meson:
     name: Ubuntu meson build
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
+    container:
+      image: debian:unstable
     strategy:
       matrix:
-        os: ['ubuntu-24.04']
         compiler: ['gcc', 'clang']
 
     env:
       CC: ${{ matrix.compiler }}
       BASE_CFLAGS: -Wp,-D_FORTIFY_SOURCE=2
       BUILDDIR: builddir
-      CONFIG_OPTS: -Dinstalled_tests=true
+      CONFIG_OPTS: -Dwerror=true -Dinstalled_tests=true
 
     steps:
     - name: Install Dependencies
       run: |
-        sudo apt-get update
-        sudo apt-get install -y \
+        apt-get update
+        apt-get install -y \
           ${{ matrix.compiler }} \
           attr \
           automake \