diff --git a/docker-images.conf b/docker-images.conf
index a44f88b..3953bfc 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:0.6.8"
 
 export WTL_DOCKER_MYSQL="mysql:5.7"
 export WTL_DOCKER_MEMCACHED="memcached:1.4.24"
 export WTL_DOCKER_OCG="wikitolearn/ocg:1.7.1"
 export WTL_DOCKER_WEBSRV="wikitolearn/websrv:0.17.3"
 export WTL_DOCKER_PARSOID="wikitolearn/parsoid:0.3"
-export WTL_DOCKER_MATHOID="wikitolearn/mathoid:0.5.1"
+export WTL_DOCKER_MATHOID="wikitolearn/mathoid:0.5.2"
 export WTL_DOCKER_RESTBASE="wikitolearn/restbase:0.2"
diff --git a/extensions/EmbedVideo b/extensions/EmbedVideo
index 1927d69..1c39883 160000
--- a/extensions/EmbedVideo
+++ b/extensions/EmbedVideo
@@ -1 +1 @@
-Subproject commit 1927d69c98e614731e77936181be775e672c09f2
+Subproject commit 1c398831d6427002ebb1ebf238cc6cf6397caa0f