diff --git a/.gitlab-ci/container/debian/arm64_build.sh b/.gitlab-ci/container/debian/arm64_build.sh
index 9450fd0683e..da5dbb5140f 100644
--- a/.gitlab-ci/container/debian/arm64_build.sh
+++ b/.gitlab-ci/container/debian/arm64_build.sh
@@ -1,6 +1,10 @@
 #!/usr/bin/env bash
 # shellcheck disable=SC2086 # we want word splitting
 
+# When changing this file, you need to bump the following
+# .gitlab-ci/image-tags.yml tags:
+# DEBIAN_BUILD_TAG
+
 set -e
 
 . .gitlab-ci/setup-test-env.sh
diff --git a/.gitlab-ci/container/gitlab-ci.yml b/.gitlab-ci/container/gitlab-ci.yml
index ff898a46488..6c613d6fe34 100644
--- a/.gitlab-ci/container/gitlab-ci.yml
+++ b/.gitlab-ci/container/gitlab-ci.yml
@@ -273,7 +273,7 @@ debian/arm64_build:
   tags:
     - $FDO_RUNNER_JOB_PRIORITY_TAG_AARCH64
   variables:
-    MESA_IMAGE_TAG: &debian-arm64_build "${DEBIAN_BASE_TAG}--${PKG_REPO_REV}"
+    MESA_IMAGE_TAG: &debian-arm64_build "${DEBIAN_BUILD_TAG}--${DEBIAN_BASE_TAG}--${PKG_REPO_REV}"
     LLVM_VERSION: &debian-arm64-llvm 19
 
 .use-debian/arm64_build: