diff --git a/.gitlab-ci/container/build-mold.sh b/.gitlab-ci/container/build-mold.sh
index e3be6bd3a4c..1c3cfde8ac9 100644
--- a/.gitlab-ci/container/build-mold.sh
+++ b/.gitlab-ci/container/build-mold.sh
@@ -2,6 +2,13 @@
 
 set -ex
 
+# When changing this file, you need to bump the following
+# .gitlab-ci/image-tags.yml tags:
+# DEBIAN_BASE_TAG
+# DEBIAN_BUILD_TAG
+# FEDORA_X86_64_BUILD_TAG
+# KERNEL_ROOTFS_TAG
+
 MOLD_VERSION="1.11.0"
 
 git clone -b v"$MOLD_VERSION" --single-branch --depth 1 https://github.com/rui314/mold.git