diff --git a/Dockerfile.gitlab-docs b/Dockerfile.gitlab-docs
index 367fa87..de92779 100644
--- a/Dockerfile.gitlab-docs
+++ b/Dockerfile.gitlab-docs
@@ -16,3 +16,6 @@ RUN wget "${YARN_URL}" \
   && wget "${YARN_URL}".asc \
   && gpg --verify "${YARN_ARCHIVE_FILE}".asc \
   && tar zvxf "${YARN_ARCHIVE_FILE}"
+
+# Update bundler
+RUN gem install bundler -v "1.17.3"
diff --git a/Dockerfile.gitlab-docs-lint b/Dockerfile.gitlab-docs-lint
index fc556a5..c8be691 100644
--- a/Dockerfile.gitlab-docs-lint
+++ b/Dockerfile.gitlab-docs-lint
@@ -13,6 +13,9 @@ RUN apk update && apk upgrade --no-cache && apk add --no-cache \
 
 RUN yarn global add markdownlint-cli@0.18.0 && yarn cache clean
 
+# Update bundler
+RUN gem install bundler -v "1.17.3"
+
 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 \