diff --git a/wis2box-broker/Dockerfile b/wis2box-broker/Dockerfile
index 5357feb3..a613d7b2 100644
--- a/wis2box-broker/Dockerfile
+++ b/wis2box-broker/Dockerfile
@@ -19,7 +19,7 @@
 #
 ###############################################################################
 
-FROM eclipse-mosquitto:2.0.20
+FROM eclipse-mosquitto:2.0.15
 
 RUN mkdir -p /data/wis2box/mosquitto
 RUN ln -s /mosquitto /data/wis2box/mosquitto