diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ced06e6..932967f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -89,7 +89,7 @@ jobs:
       fail-fast: false
       matrix:
         container:
-          # - debian:testing-slim  # missing ubuntu-keyring
+          - debian:testing-slim
           - debian:unstable-slim
           - ubuntu:jammy
           - ubuntu:noble