diff --git a/Dockerfile b/Dockerfile
index 1b568bd0..1e516316 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,10 +4,10 @@ LABEL maintainer="sameer@damagehead.com"
 ENV GITLAB_VERSION=10.6.0 \
     RUBY_VERSION=2.3 \
     GOLANG_VERSION=1.9.4 \
-    GITLAB_WORKHORSE_VERSION=3.6.0 \
     GITLAB_PAGES_VERSION=0.6.1 \
     GITALY_SERVER_VERSION=0.81.0 \
     GITLAB_SHELL_VERSION=6.0.4 \
+    GITLAB_WORKHORSE_VERSION=4.0.0 \
     GITLAB_USER="git" \
     GITLAB_HOME="/home/git" \
     GITLAB_LOG_DIR="/var/log/gitlab" \