diff --git a/CHANGELOG.v2.alpha.md b/CHANGELOG.v2.alpha.md
index fd741fdcf0f85..49d8f1c164d6c 100644
--- a/CHANGELOG.v2.alpha.md
+++ b/CHANGELOG.v2.alpha.md
@@ -2,6 +2,19 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [2.40.0-alpha.0](https://github.com/aws/aws-cdk/compare/v2.39.1-alpha.0...v2.40.0-alpha.0) (2022-08-31)
+
+
+### Features
+
+* **glue:** Added value to PythonVersion enum ([#21670](https://github.com/aws/aws-cdk/issues/21670)) ([9774d4c](https://github.com/aws/aws-cdk/commit/9774d4ce11287d91278290369dc783a83d784fdf)), closes [#21568](https://github.com/aws/aws-cdk/issues/21568) [/github.com/aws/aws-cdk/issues/21568#issuecomment-1219668861](https://github.com/aws//github.com/aws/aws-cdk/issues/21568/issues/issuecomment-1219668861)
+* **msk:** added msk cluster sasl iam property ([#21798](https://github.com/aws/aws-cdk/issues/21798)) ([d30a530](https://github.com/aws/aws-cdk/commit/d30a530a68d97ac455125bf4a2154a31adcb9582))
+
+
+### Bug Fixes
+
+* **integ-runner:** array arguments aren't recognizing multiple options ([#21763](https://github.com/aws/aws-cdk/issues/21763)) ([d942324](https://github.com/aws/aws-cdk/commit/d942324cef7646397f9359dfb91819ded72874b0)), closes [#20384](https://github.com/aws/aws-cdk/issues/20384)
+
 ## [2.39.1-alpha.0](https://github.com/aws/aws-cdk/compare/v2.39.0-alpha.0...v2.39.1-alpha.0) (2022-08-29)
 
 
diff --git a/CHANGELOG.v2.md b/CHANGELOG.v2.md
index de4808fb97af4..0a562f22785bc 100644
--- a/CHANGELOG.v2.md
+++ b/CHANGELOG.v2.md
@@ -2,6 +2,23 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [2.40.0](https://github.com/aws/aws-cdk/compare/v2.39.1...v2.40.0) (2022-08-31)
+
+
+### Features
+
+* **cdk-cli-wrapper:** add `progress` argument for cdk deploy ([#21762](https://github.com/aws/aws-cdk/issues/21762)) ([dab83cc](https://github.com/aws/aws-cdk/commit/dab83cc4e70ec477abb4fdf2a2ac6319dff143e9))
+* **core:** `Fn::ToJsonString` and `Fn::Length` intrinsic functions ([#21749](https://github.com/aws/aws-cdk/issues/21749)) ([7472fa4](https://github.com/aws/aws-cdk/commit/7472fa484e45cc5dd05c10e4998c02d28f60da65))
+
+
+### Bug Fixes
+
+* **certificatemanager:** domainName not checked for length ([#21807](https://github.com/aws/aws-cdk/issues/21807)) ([3e55092](https://github.com/aws/aws-cdk/commit/3e55092fb70e0ec74ee7c4144d6e39a29d8757ae))
+* **ecs:** secretToken required but declared as optional ([#21745](https://github.com/aws/aws-cdk/issues/21745)) ([26ac81f](https://github.com/aws/aws-cdk/commit/26ac81f77877f504ede97997db8e3b48670f643e)), closes [#21744](https://github.com/aws/aws-cdk/issues/21744)
+* **ecs-patterns:** add validation for queue and queue related props ([#21717](https://github.com/aws/aws-cdk/issues/21717)) ([7e9bd7d](https://github.com/aws/aws-cdk/commit/7e9bd7d8419313c333b7a0fffdc489363046e4e2))
+* **integ:** write assertion stack name to integ manifest ([#21809](https://github.com/aws/aws-cdk/issues/21809)) ([e2dc2cb](https://github.com/aws/aws-cdk/commit/e2dc2cb76109bcac249f28eac8da3335c8b06e9d)), closes [#21646](https://github.com/aws/aws-cdk/issues/21646)
+* **servicecatalog:** incorrect service in portfolio arn generation ([#21770](https://github.com/aws/aws-cdk/issues/21770)) ([f9ca639](https://github.com/aws/aws-cdk/commit/f9ca639175352bad1db78666c750f00955627d1a)), closes [#20849](https://github.com/aws/aws-cdk/issues/20849)
+
 ## [2.39.1](https://github.com/aws/aws-cdk/compare/v2.39.0...v2.39.1) (2022-08-29)
 
 
diff --git a/version.v2.json b/version.v2.json
index 16fdb647e798d..35a6cf30c0ef3 100644
--- a/version.v2.json
+++ b/version.v2.json
@@ -1,4 +1,4 @@
 {
-  "version": "2.39.1",
-  "alphaVersion": "2.39.1-alpha.0"
+  "version": "2.40.0",
+  "alphaVersion": "2.40.0-alpha.0"
 }
\ No newline at end of file