diff --git a/docker/1.5/Dockerfile b/docker/1.5/Dockerfile
index 28beacad..6e224636 100644
--- a/docker/1.5/Dockerfile
+++ b/docker/1.5/Dockerfile
@@ -3,8 +3,8 @@ FROM alpine:3.8
 LABEL maintainer="Roger Light <roger@atchoo.org>" \
     description="Eclipse Mosquitto MQTT Broker"
 
-ENV VERSION=1.5.8 \
-    DOWNLOAD_SHA256=78d7e70c3794dc3a1d484b4f2f8d3addebe9c2da3f5a1cebe557f7d13beb0da4 \
+ENV VERSION=1.5.9 \
+    DOWNLOAD_SHA256=d7b62aa0ca680b0d869d6883373903362f98326a6465fc6cd01a0b9e0e8f0333 \
     GPG_KEYS=A0D6EEA1DCAE49A635A3B2F0779B22DFB3E717B7 \
     LWS_VERSION=2.4.2
 
diff --git a/docker/1.6/Dockerfile b/docker/1.6/Dockerfile
index c8102ed4..1982934b 100644
--- a/docker/1.6/Dockerfile
+++ b/docker/1.6/Dockerfile
@@ -3,8 +3,8 @@ FROM alpine:3.8
 LABEL maintainer="Roger Light <roger@atchoo.org>" \
     description="Eclipse Mosquitto MQTT Broker"
 
-ENV VERSION=1.6.5 \
-    DOWNLOAD_SHA256=bc71b38b5a26fc7cc772853e5607c657868db9f9a6d2b15e2b677649a0f85d20 \
+ENV VERSION=1.6.6 \
+    DOWNLOAD_SHA256=82676bf4201ff102be1511b56b041a9450fbbfeda40b21aa28be0fee56e8de17 \
     GPG_KEYS=A0D6EEA1DCAE49A635A3B2F0779B22DFB3E717B7 \
     LWS_VERSION=2.4.2