diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index ca95393e4c1..fe754e9b651 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -105,12 +105,12 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - image: "geodynamics/aspect-tester:focal-dealii-9.4-v3"
+          - image: "geodynamics/aspect-tester:focal-dealii-9.4-v4"
             run-tests: "ON"
             compare-tests: "ON"
             result-file: "changes-test-results-9.4.diff"
             container-options: '--name container'
-          - image: "geodynamics/aspect-tester:focal-dealii-9.5-v1"
+          - image: "geodynamics/aspect-tester:focal-dealii-9.5-v2"
             run-tests: "ON"
             compare-tests: "OFF"
             result-file: "changes-test-results-9.5.diff"
diff --git a/contrib/ci/Dockerfile b/contrib/ci/Dockerfile
index 8755142bc72..b8772b89ae5 100644
--- a/contrib/ci/Dockerfile
+++ b/contrib/ci/Dockerfile
@@ -1,3 +1,3 @@
-FROM geodynamics/aspect-tester:focal-dealii-9.4-v3
+FROM geodynamics/aspect-tester:focal-dealii-9.4-v4
 
 LABEL maintainer <rene.gassmoeller@mailbox.org>