diff --git a/Dockerfile b/Dockerfile
index 076fa8b..af4b743 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM registry.gitlab.com/thallian/docker-confd-env:master
 
-ENV VERSION v0.33.7
+ENV VERSION v0.33.9
 
 RUN addgroup -g 2222 matrix-synapse
 RUN adduser -h /var/lib/matrix-synapse -u 2222 -D -G matrix-synapse matrix-synapse