diff --git a/docker-images.conf b/docker-images.conf
index 6527337..6acc8bb 100755
--- a/docker-images.conf
+++ b/docker-images.conf
@@ -1,12 +1,12 @@
 #!/bin/bash
 export WTL_DOCKER_VERSION=2
 
 export WTL_DOCKER_HAPROXY="wikitolearn/haproxy:0.6.7"
 
 export WTL_DOCKER_MYSQL="mysql:5.7"
 export WTL_DOCKER_MEMCACHED="memcached:1.4.24"
-export WTL_DOCKER_OCG="wikitolearn/ocg:1.5.1"
+export WTL_DOCKER_OCG="wikitolearn/ocg:1.6"
 export WTL_DOCKER_WEBSRV="wikitolearn/websrv:0.15"
 export WTL_DOCKER_PARSOID="wikitolearn/parsoid:0.1.6"
 export WTL_DOCKER_MATHOID="wikitolearn/mathoid:0.5"
 export WTL_DOCKER_RESTBASE="wikitolearn/restbase:0.1.8"