diff --git a/CHANGELOG b/CHANGELOG
index 868d99c1..94ee14fb 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,9 @@
 == Unreleased
 
+== Version 12.3.1
+
+- Update API version with 2023-07 and 2023-10 release
+
 == Version 12.3.0
 
 - Update API version with 2023-04 release ([#649](https://github.com/Shopify/shopify_python_api/pull/649))
diff --git a/shopify/api_version.py b/shopify/api_version.py
index 049ee45c..aa08d42c 100644
--- a/shopify/api_version.py
+++ b/shopify/api_version.py
@@ -27,13 +27,10 @@ def define_version(cls, version):
     @classmethod
     def define_known_versions(cls):
         cls.define_version(Unstable())
-        cls.define_version(Release("2021-10"))
-        cls.define_version(Release("2022-01"))
-        cls.define_version(Release("2022-04"))
-        cls.define_version(Release("2022-07"))
-        cls.define_version(Release("2022-10"))
         cls.define_version(Release("2023-01"))
         cls.define_version(Release("2023-04"))
+        cls.define_version(Release("2023-07"))
+        cls.define_version(Release("2023-10"))
 
     @classmethod
     def clear_defined_versions(cls):
diff --git a/shopify/version.py b/shopify/version.py
index a48d177f..b8d7a36f 100644
--- a/shopify/version.py
+++ b/shopify/version.py
@@ -1 +1 @@
-VERSION = "12.3.0"
+VERSION = "12.3.1"