diff --git a/.changes/1.28.3.json b/.changes/1.28.3.json
new file mode 100644
index 0000000000..0215905ade
--- /dev/null
+++ b/.changes/1.28.3.json
@@ -0,0 +1,67 @@
+[
+  {
+    "category": "``cognito-idp``",
+    "description": "[``botocore``] API model updated in Amazon Cognito",
+    "type": "api-change"
+  },
+  {
+    "category": "``connect``",
+    "description": "[``botocore``] Add support for deleting Queues and Routing Profiles.",
+    "type": "api-change"
+  },
+  {
+    "category": "``datasync``",
+    "description": "[``botocore``] Added LunCount to the response object of DescribeStorageSystemResourcesResponse, LunCount represents the number of LUNs on a storage system resource.",
+    "type": "api-change"
+  },
+  {
+    "category": "``dms``",
+    "description": "[``botocore``] Enhanced PostgreSQL target endpoint settings for providing Babelfish support.",
+    "type": "api-change"
+  },
+  {
+    "category": "``ec2``",
+    "description": "[``botocore``] This release adds support for the C7gn and Hpc7g instances. C7gn instances are powered by AWS Graviton3 processors and the fifth-generation AWS Nitro Cards. Hpc7g instances are powered by AWS Graviton 3E processors and provide up to 200 Gbps network bandwidth.",
+    "type": "api-change"
+  },
+  {
+    "category": "``fsx``",
+    "description": "[``botocore``] Amazon FSx for NetApp ONTAP now supports SnapLock, an ONTAP feature that enables you to protect your files in a volume by transitioning them to a write once, read many (WORM) state.",
+    "type": "api-change"
+  },
+  {
+    "category": "``iam``",
+    "description": "[``botocore``] Documentation updates for AWS Identity and Access Management (IAM).",
+    "type": "api-change"
+  },
+  {
+    "category": "``mediatailor``",
+    "description": "[``botocore``] Adds categories to MediaTailor channel assembly alerts",
+    "type": "api-change"
+  },
+  {
+    "category": "``personalize``",
+    "description": "[``botocore``] This release provides ability to customers to change schema associated with their datasets in Amazon Personalize",
+    "type": "api-change"
+  },
+  {
+    "category": "``proton``",
+    "description": "[``botocore``] This release adds support for deployment history for Proton provisioned resources",
+    "type": "api-change"
+  },
+  {
+    "category": "``s3``",
+    "description": "[``botocore``] S3 Inventory now supports Object Access Control List and Object Owner as available object metadata fields in inventory reports.",
+    "type": "api-change"
+  },
+  {
+    "category": "``sagemaker``",
+    "description": "[``botocore``] Amazon SageMaker Canvas adds WorkspeceSettings support for CanvasAppSettings",
+    "type": "api-change"
+  },
+  {
+    "category": "``secretsmanager``",
+    "description": "[``botocore``] Documentation updates for Secrets Manager",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 52c9cf57df..4c66b4b919 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,24 @@
 CHANGELOG
 =========
 
+1.28.3
+======
+
+* api-change:``cognito-idp``: [``botocore``] API model updated in Amazon Cognito
+* api-change:``connect``: [``botocore``] Add support for deleting Queues and Routing Profiles.
+* api-change:``datasync``: [``botocore``] Added LunCount to the response object of DescribeStorageSystemResourcesResponse, LunCount represents the number of LUNs on a storage system resource.
+* api-change:``dms``: [``botocore``] Enhanced PostgreSQL target endpoint settings for providing Babelfish support.
+* api-change:``ec2``: [``botocore``] This release adds support for the C7gn and Hpc7g instances. C7gn instances are powered by AWS Graviton3 processors and the fifth-generation AWS Nitro Cards. Hpc7g instances are powered by AWS Graviton 3E processors and provide up to 200 Gbps network bandwidth.
+* api-change:``fsx``: [``botocore``] Amazon FSx for NetApp ONTAP now supports SnapLock, an ONTAP feature that enables you to protect your files in a volume by transitioning them to a write once, read many (WORM) state.
+* api-change:``iam``: [``botocore``] Documentation updates for AWS Identity and Access Management (IAM).
+* api-change:``mediatailor``: [``botocore``] Adds categories to MediaTailor channel assembly alerts
+* api-change:``personalize``: [``botocore``] This release provides ability to customers to change schema associated with their datasets in Amazon Personalize
+* api-change:``proton``: [``botocore``] This release adds support for deployment history for Proton provisioned resources
+* api-change:``s3``: [``botocore``] S3 Inventory now supports Object Access Control List and Object Owner as available object metadata fields in inventory reports.
+* api-change:``sagemaker``: [``botocore``] Amazon SageMaker Canvas adds WorkspeceSettings support for CanvasAppSettings
+* api-change:``secretsmanager``: [``botocore``] Documentation updates for Secrets Manager
+
+
 1.28.2
 ======
 
diff --git a/boto3/__init__.py b/boto3/__init__.py
index 7598302387..3be138cda9 100644
--- a/boto3/__init__.py
+++ b/boto3/__init__.py
@@ -17,7 +17,7 @@
 from boto3.session import Session
 
 __author__ = 'Amazon Web Services'
-__version__ = '1.28.2'
+__version__ = '1.28.3'
 
 
 # The default Boto3 session; autoloaded when needed.
diff --git a/setup.cfg b/setup.cfg
index ec03c9e21b..daa8f789de 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ universal = 0
 
 [metadata]
 requires_dist =
-    botocore>=1.31.2,<1.32.0
+    botocore>=1.31.3,<1.32.0
     jmespath>=0.7.1,<2.0.0
     s3transfer>=0.6.0,<0.7.0
 
diff --git a/setup.py b/setup.py
index bf456ea2de..300c297d52 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 
 
 requires = [
-    'botocore>=1.31.2,<1.32.0',
+    'botocore>=1.31.3,<1.32.0',
     'jmespath>=0.7.1,<2.0.0',
     's3transfer>=0.6.0,<0.7.0',
 ]