diff --git a/.github/workflows/sop-test-suite.yml b/.github/workflows/sop-test-suite.yml
index 96e75206..6037a6aa 100644
--- a/.github/workflows/sop-test-suite.yml
+++ b/.github/workflows/sop-test-suite.yml
@@ -46,7 +46,7 @@ jobs:
     name: Run interoperability test suite
     runs-on: ubuntu-latest
     container: 
-      image: ghcr.io/protonmail/openpgp-interop-test-docker:v1.1.9
+      image: ghcr.io/protonmail/openpgp-interop-test-docker:v1.1.12
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.github_token }}