diff --git a/Dockerfile b/Dockerfile
index 655416e..f39bed7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM node:latest
 
 # Install CDK.
-RUN npm install -g aws-cdk@1.133.0 typescript
+RUN npm install -g aws-cdk@1.138.2 typescript
 
 # Install Go.
 RUN curl -L -o go1.17.5.linux-amd64.tar.gz https://go.dev/dl/go1.17.5.linux-amd64.tar.gz