diff --git a/.gitlab-ci/container/alpine/x86_64_build.sh b/.gitlab-ci/container/alpine/x86_64_build.sh
index cd643eb864e..54b8f3a3f91 100644
--- a/.gitlab-ci/container/alpine/x86_64_build.sh
+++ b/.gitlab-ci/container/alpine/x86_64_build.sh
@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 # shellcheck disable=SC1091
+
+# When changing this file, you need to bump the following
+# .gitlab-ci/image-tags.yml tags:
+# ALPINE_X86_64_BUILD_TAG
+
 set -e
 set -o xtrace
 
diff --git a/.gitlab-ci/container/debian/x86_64_build.sh b/.gitlab-ci/container/debian/x86_64_build.sh
index 85d03038ce2..13b85d7626b 100644
--- a/.gitlab-ci/container/debian/x86_64_build.sh
+++ b/.gitlab-ci/container/debian/x86_64_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
 set -o xtrace
 
diff --git a/.gitlab-ci/container/fedora/x86_64_build.sh b/.gitlab-ci/container/fedora/x86_64_build.sh
index 72114f45d4a..d03a5efb262 100644
--- a/.gitlab-ci/container/fedora/x86_64_build.sh
+++ b/.gitlab-ci/container/fedora/x86_64_build.sh
@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 # shellcheck disable=SC1091
+
+# When changing this file, you need to bump the following
+# .gitlab-ci/image-tags.yml tags:
+# FEDORA_X86_64_BUILD_TAG
+
 set -e
 set -o xtrace