diff --git a/tool-documentation.gitlab-ci.yml b/tool-documentation.gitlab-ci.yml
index cf5ec08..9bb2434 100644
--- a/tool-documentation.gitlab-ci.yml
+++ b/tool-documentation.gitlab-ci.yml
@@ -1,5 +1,5 @@
 .documentation-tool-template:
-  image: gitlab.exxcellent.de:4567/gilden/ci/exxcellent-documentation-tool:latest
+  image: gitlab.exxcellent.de:4567/gilden/ci/exxcellent-documentation-tool:1.5.0
   variables:
     DOCUMENT_ROOT: .
     INPUT_FILE: "*.adoc"