diff --git a/Dockerfile b/Dockerfile
index 9275d161..403df8cb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM sameersbn/ubuntu:16.04.20190706
 LABEL maintainer="sameer@damagehead.com"
 
 ENV GITLAB_VERSION=11.0.2 \
-    RUBY_VERSION=2.3 \
+    RUBY_VERSION=2.4 \
     GOLANG_VERSION=1.10.3 \
     GITLAB_SHELL_VERSION=7.1.4 \
     GITLAB_WORKHORSE_VERSION=4.3.1 \