diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f038568..5f1fbf6 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@sha256:170ac58daf0e6607ba07ee848635e0142f44e0f1b566ca28fe3522140752820d
+    container: python:3-slim@sha256:490c3463f3766091067a01528e6be3208104eebcca11a306beab5de9672ee893
     steps:
     - name: Finished
       run: |