diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c63c3cf5c..47fe93d62 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       matrix:
         include:
           - name: linux_release_64
-            image: ubuntu-latest
+            image: "${{ env.ubuntu_test }}"
           - name: linux_debug_64
             image: ubuntu-latest
     runs-on: ubuntu-latest