diff --git a/Makefile b/Makefile
index 0e421c3..ea1d3d6 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,7 @@ tf:
 smoke:
 	@terraform plan
 	@npx cdk synth --app "python cdk.py" --profile dev
-	@cw ls groups
+	@AWS_PROFILE=dev cw ls groups
 
 .PHONY: doc
 doc:
diff --git a/README.md b/README.md
index 71406ae..09a945c 100644
--- a/README.md
+++ b/README.md
@@ -234,6 +234,23 @@ export AWS_PROFILE=dev
 yawsso auto
 ```
 
+### Set Region
+
+- You can also set region from the config file to the shared credentials file
+- Do like so:
+
+```
+yawsso -r -p dev
+```
+
+```
+yawsso -r -p dev:foo
+```
+
+```
+yawsso -r auto --profile dev
+```
+
 ### Encryption
 
 `yawsso` can encrypt and decrypt some arbitrary string from `stdin` using [ROT13](https://en.wikipedia.org/wiki/ROT13) (_a simple letter substitution cipher_) as follows.
diff --git a/package.json b/package.json
index 318bd3f..b71defb 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
 	"dependencies": {
-		"aws-cdk": "^2.106.1"
+		"aws-cdk": "^2.131.0"
 	}
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fd5781f..102e25f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -6,13 +6,13 @@ settings:
 
 dependencies:
   aws-cdk:
-    specifier: ^2.106.1
-    version: 2.106.1
+    specifier: ^2.131.0
+    version: 2.131.0
 
 packages:
 
-  /aws-cdk@2.106.1:
-    resolution: {integrity: sha512-RRkmXU7V6VPYGmmP/4Em+j8PQ06uecOetQVytyQISVzcYscrd+B+5ZXjFxy50Nvq0CUhOFWtDRbkQW06onmMzA==}
+  /aws-cdk@2.131.0:
+    resolution: {integrity: sha512-ji+MwGFGC88HE/EqV6/VARBp5mu3nXIDa/GYwtGycJqu6WqXhNZXWeDH0JsWaY6+BSUdpY6pr6KWpV+MDyVkDg==}
     engines: {node: '>= 14.15.0'}
     hasBin: true
     optionalDependencies: