diff --git a/docker-compose-env.yml b/docker-compose-env.yml
index a569b03..0a64f19 100644
--- a/docker-compose-env.yml
+++ b/docker-compose-env.yml
@@ -48,7 +48,7 @@ services:
       - redisdata:/data
 
   mosquitto:
-    image: eclipse-mosquitto
+    image: eclipse-mosquitto:1.6
     ports:
       - 1883:1883
 
diff --git a/docker-compose.yml b/docker-compose.yml
index dbca6a1..931c0f2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -39,7 +39,7 @@ services:
       - redisdata:/data
 
   mosquitto:
-    image: eclipse-mosquitto
+    image: eclipse-mosquitto:1.6
     ports:
       - 1883:1883