diff --git a/Dockerfile.gitlab-docs-lint b/Dockerfile.gitlab-docs-lint
index f20e7c1..b6b5463 100644
--- a/Dockerfile.gitlab-docs-lint
+++ b/Dockerfile.gitlab-docs-lint
@@ -3,7 +3,9 @@ MAINTAINER GitLab Documentation Team
 
 WORKDIR /tmp
 
-RUN apk update && apk upgrade && apk add --no-cache \
+ENV GITLAB_DOCS_REVISION=09947dbfa5ed5e597233b97aee9b34621c28e1f7
+
+RUN apk update && apk upgrade --no-cache && apk add --no-cache \
   build-base \
   bash \
   grep \
@@ -11,10 +13,10 @@ RUN apk update && apk upgrade && apk add --no-cache \
 
 RUN yarn global add markdownlint-cli && yarn cache clean
 
-RUN wget https://gitlab.com/gitlab-com/gitlab-docs/-/archive/master/gitlab-docs-master.tar.bz2 \
-  && tar xvjf gitlab-docs-master.tar.bz2 \
-  && mv gitlab-docs-master gitlab-docs \
-  && rm gitlab-docs-master.tar.bz2
+RUN wget https://gitlab.com/gitlab-org/gitlab-docs/-/archive/$GITLAB_DOCS_REVISION/gitlab-docs-$GITLAB_DOCS_REVISION.tar.bz2 \
+  && tar xvjf gitlab-docs-$GITLAB_DOCS_REVISION.tar.bz2 \
+  && mv gitlab-docs-$GITLAB_DOCS_REVISION gitlab-docs \
+  && rm gitlab-docs-$GITLAB_DOCS_REVISION.tar.bz2
 
 RUN cd gitlab-docs \
   && bundle install --jobs 4