diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 5f4b0610f..bd526488b 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,21 @@
+4.3.1 (2023*03*10)
+-------------------------------
+* Updates from spec version 109.0.0 (#2120)
+* Updates from spec version 112.0.0 (#2121)
+* Add many missing EC2, RDS and Elasticache instance type constants. (#2124)
+* Run spec checks in their own GitHub Actions job (#2127)
+* Fix valid values used by validators (#2125)
+* Mark constants as final (#2126)
+* Updates from spec version 113.0.0 (#2129)
+* Fix black formatting
+* Fix generating constants based on recent use of typing.Final
+* Add gp3 as valid RDS StorageType (Fixes #2123)
+* Change Lambda ZipFile limit from 4096 to 4MB (Fixes #2119)
+* Allow gp3, st1, sc1 for EMR volume type (Fixes #2113)
+* Updates from spec version 114.0.0 (#2130)
+* Fixup for a new 114.0.0 spec - remove AppIntegrations patch
+* Updates from spec version 115.0.0 (#2131)
+
 4.3.0 (2023*01*28)
 -------------------------------
 * Patch GameLift::Fleet to add type for AnywhereConfiguration
diff --git a/docs/conf.py b/docs/conf.py
index a9e74153a..a99eb1625 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@
 # The short X.Y version
 version = ""
 # The full version, including alpha/beta/rc tags
-release = "4.3.0"
+release = "4.3.1"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/troposphere/__init__.py b/troposphere/__init__.py
index f3e581c25..2f121ac4b 100644
--- a/troposphere/__init__.py
+++ b/troposphere/__init__.py
@@ -41,7 +41,7 @@
     else:
         from typing import Final
 
-__version__ = "4.3.0"
+__version__ = "4.3.1"
 
 # constants for DeletionPolicy and UpdateReplacePolicy
 Delete: Final = "Delete"