diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1af4a6718cd1d..cdc353e08123f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,14 @@
-# Changelog
-
-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.
-
+# Changelog
+
+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.
+
+## [1.203.0](https://github.com/aws/aws-cdk/compare/v1.202.0...v1.203.0) (2023-05-31)
+
+
+### Features
+
+* **cfnspec:** cloudformation spec v123.0.0 ([#25648](https://github.com/aws/aws-cdk/issues/25648)) ([f9f4541](https://github.com/aws/aws-cdk/commit/f9f4541550494fd5b9eb985a41e1b460192e6abf))
+
 ## [1.202.0](https://github.com/aws/aws-cdk/compare/v1.201.0...v1.202.0) (2023-05-19)
 
 
diff --git a/packages/@aws-cdk/cfnspec/skip-evolution-check.txt b/packages/@aws-cdk/cfnspec/skip-evolution-check.txt
index 8043539370f68..8c4de82ed6a0d 100644
--- a/packages/@aws-cdk/cfnspec/skip-evolution-check.txt
+++ b/packages/@aws-cdk/cfnspec/skip-evolution-check.txt
@@ -1,4 +1,6 @@
 # to fully skip spec evolution checks, put the PR number in this file.
 25326
+25792
+25793
 25752
 25809
diff --git a/version.v1.json b/version.v1.json
index f0e2948371d5d..9092d0d283c1d 100644
--- a/version.v1.json
+++ b/version.v1.json
@@ -1,3 +1,3 @@
 {
-  "version": "1.202.0"
+  "version": "1.203.0"
 }
\ No newline at end of file