diff --git a/Dockerfile b/Dockerfile
index 41009d4..8def836 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.10
 
-ENV AWS_CDK_VERSION=1.9.0
+ENV AWS_CDK_VERSION=1.18.0
 
 RUN apk -v --no-cache --update add \
         nodejs \
diff --git a/Makefile b/Makefile
index 24d0685..a6c6b7e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-AWS_CDK_VERSION = 1.9.0
+AWS_CDK_VERSION = 1.18.0
 IMAGE_NAME ?= contino/aws-cdk:$(AWS_CDK_VERSION)
 TAG = $(AWS_CDK_VERSION)