diff --git a/Dockerfile b/Dockerfile
index 6a842d0..5148ec1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ FROM alpine:3.18 as builder
 
 # https://github.com/eclipse/mosquitto/tags
 # https://github.com/DaveGamble/cJSON/releases
-ENV VERSION=v2.0.16 \
+ENV VERSION=v2.0.18 \
     CJSON_VERSION=v1.7.16
 
 # Add unprivileged user