diff --git a/.gitlab-ci/container/build-fossilize.sh b/.gitlab-ci/container/build-fossilize.sh
index 6c70f361b4c..ca1204451b3 100644
--- a/.gitlab-ci/container/build-fossilize.sh
+++ b/.gitlab-ci/container/build-fossilize.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+# When changing this file, you need to bump the following
+# .gitlab-ci/image-tags.yml tags:
+# DEBIAN_X86_64_TEST_VK_TAG
+# KERNEL_ROOTFS_TAG
+
 set -ex
 
 git clone https://github.com/ValveSoftware/Fossilize.git