diff --git a/.gitlab-ci/container/build-piglit.sh b/.gitlab-ci/container/build-piglit.sh
index 1a2362e4c68..5ab19055290 100644
--- a/.gitlab-ci/container/build-piglit.sh
+++ b/.gitlab-ci/container/build-piglit.sh
@@ -1,8 +1,13 @@
 #!/bin/bash
 # shellcheck disable=SC2086 # we want word splitting
-
 set -ex
 
+# When changing this file, you need to bump the following
+# .gitlab-ci/image-tags.yml tags:
+# DEBIAN_X86_64_TEST_GL_TAG
+# DEBIAN_X86_64_TEST_VK_TAG
+# KERNEL_ROOTFS_TAG
+
 REV="f7db20b03de6896d013826c0a731bc4417c1a5a0"
 
 git clone https://gitlab.freedesktop.org/mesa/piglit.git --single-branch --no-checkout /piglit