diff --git a/108-Storing-Encrypting-Accessing-Passwords/cdk-AWS-Cookbook-108/setup.py b/108-Storing-Encrypting-Accessing-Passwords/cdk-AWS-Cookbook-108/setup.py
index 13651a0..5aac099 100644
--- a/108-Storing-Encrypting-Accessing-Passwords/cdk-AWS-Cookbook-108/setup.py
+++ b/108-Storing-Encrypting-Accessing-Passwords/cdk-AWS-Cookbook-108/setup.py
@@ -19,7 +19,7 @@
     packages=setuptools.find_packages(where="cdk_aws_cookbook_108"),
 
     install_requires=[
-        "aws-cdk-lib==2.0.0-rc.21",
+        "aws-cdk-lib>=2.0.0-rc.21",
         "constructs>=10.0.0,<11.0.0",
     ],