diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 21f9a08..d874526 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,7 +46,7 @@ jobs:
     name: Indicate completion to coveralls.io
     needs: test
     runs-on: ubuntu-latest
-    container: python:3-slim@sha256:c845af9399020c7e562969a13689e929074a10fd057acd1b1fad06a2fb068e97
+    container: python:3-slim@sha256:d7a925f9eb9639a93e455b9f12c167569358818c0f62b51b88edbc8fcf34c421
     steps:
     - name: Finished
       run: |