diff --git a/Dockerfile b/Dockerfile
index 10bd0b1..4e4273c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine
 
 LABEL maintainer Knut Ahlers <knut@ahlers.me>
 
-ENV OPENFIRE_VERSION=4_6_2
+ENV OPENFIRE_VERSION=4_6_3
 
 RUN set -ex \
  && apk --no-cache add \