diff --git a/.changes/1.28.6.json b/.changes/1.28.6.json
new file mode 100644
index 0000000000..505dd51e1c
--- /dev/null
+++ b/.changes/1.28.6.json
@@ -0,0 +1,37 @@
+[
+  {
+    "category": "``cloudformation``",
+    "description": "[``botocore``] SDK and documentation updates for GetTemplateSummary API (unrecognized resources)",
+    "type": "api-change"
+  },
+  {
+    "category": "``ec2``",
+    "description": "[``botocore``] Amazon EC2 documentation updates.",
+    "type": "api-change"
+  },
+  {
+    "category": "``grafana``",
+    "description": "[``botocore``] Amazon Managed Grafana now supports grafanaVersion update for existing workspaces with UpdateWorkspaceConfiguration API. DescribeWorkspaceConfiguration API additionally returns grafanaVersion. A new ListVersions API lists available versions or, if given a workspaceId, the versions it can upgrade to.",
+    "type": "api-change"
+  },
+  {
+    "category": "``medical-imaging``",
+    "description": "[``botocore``] General Availability (GA) release of AWS Health Imaging, enabling customers to store, transform, and analyze medical imaging data at petabyte-scale.",
+    "type": "api-change"
+  },
+  {
+    "category": "``ram``",
+    "description": "[``botocore``] This release adds support for securely sharing with AWS service principals.",
+    "type": "api-change"
+  },
+  {
+    "category": "``ssm-sap``",
+    "description": "[``botocore``] Added support for SAP Hana High Availability discovery (primary and secondary nodes) and Backint agent installation with SSM for SAP.",
+    "type": "api-change"
+  },
+  {
+    "category": "``wafv2``",
+    "description": "[``botocore``] Added the URI path to the custom aggregation keys that you can specify for a rate-based rule.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index fe21b3615c..73503975df 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,18 @@
 CHANGELOG
 =========
 
+1.28.6
+======
+
+* api-change:``cloudformation``: [``botocore``] SDK and documentation updates for GetTemplateSummary API (unrecognized resources)
+* api-change:``ec2``: [``botocore``] Amazon EC2 documentation updates.
+* api-change:``grafana``: [``botocore``] Amazon Managed Grafana now supports grafanaVersion update for existing workspaces with UpdateWorkspaceConfiguration API. DescribeWorkspaceConfiguration API additionally returns grafanaVersion. A new ListVersions API lists available versions or, if given a workspaceId, the versions it can upgrade to.
+* api-change:``medical-imaging``: [``botocore``] General Availability (GA) release of AWS Health Imaging, enabling customers to store, transform, and analyze medical imaging data at petabyte-scale.
+* api-change:``ram``: [``botocore``] This release adds support for securely sharing with AWS service principals.
+* api-change:``ssm-sap``: [``botocore``] Added support for SAP Hana High Availability discovery (primary and secondary nodes) and Backint agent installation with SSM for SAP.
+* api-change:``wafv2``: [``botocore``] Added the URI path to the custom aggregation keys that you can specify for a rate-based rule.
+
+
 1.28.5
 ======
 
diff --git a/boto3/__init__.py b/boto3/__init__.py
index 3411fa076f..2c9123ace4 100644
--- a/boto3/__init__.py
+++ b/boto3/__init__.py
@@ -17,7 +17,7 @@
 from boto3.session import Session
 
 __author__ = 'Amazon Web Services'
-__version__ = '1.28.5'
+__version__ = '1.28.6'
 
 
 # The default Boto3 session; autoloaded when needed.
diff --git a/setup.cfg b/setup.cfg
index b2518df5be..7ce3dcb16d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ universal = 0
 
 [metadata]
 requires_dist =
-    botocore>=1.31.5,<1.32.0
+    botocore>=1.31.6,<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 597ecee77e..21c7def62f 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 
 
 requires = [
-    'botocore>=1.31.5,<1.32.0',
+    'botocore>=1.31.6,<1.32.0',
     'jmespath>=0.7.1,<2.0.0',
     's3transfer>=0.6.0,<0.7.0',
 ]