diff --git a/Dockerfile b/Dockerfile
index 9c1d01d..0caea0a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM etherpad/etherpad:2.1.1
+FROM etherpad/etherpad:2.2.6
 
 ARG ETHERPAD_PLUGINS="ep_sticky_attributes ep_themes"