diff --git a/.changes/1.18.28.json b/.changes/1.18.28.json
new file mode 100644
index 0000000000..d93b4f13c8
--- /dev/null
+++ b/.changes/1.18.28.json
@@ -0,0 +1,27 @@
+[
+  {
+    "category": "``mediaconvert``",
+    "description": "[``botocore``] AWS Elemental MediaConvert SDK has added MBAFF encoding support for AVC video and the ability to pass encryption context from the job settings to S3.",
+    "type": "api-change"
+  },
+  {
+    "category": "``polly``",
+    "description": "[``botocore``] Amazon Polly adds new New Zealand English voice - Aria. Aria is available as Neural voice only.",
+    "type": "api-change"
+  },
+  {
+    "category": "``transcribe``",
+    "description": "[``botocore``] This release adds support for feature tagging with Amazon Transcribe batch jobs.",
+    "type": "api-change"
+  },
+  {
+    "category": "``ssm``",
+    "description": "[``botocore``] Updated Parameter Store property for logging improvements.",
+    "type": "api-change"
+  },
+  {
+    "category": "``iot-data``",
+    "description": "[``botocore``] Updated Publish with support for new Retain flag and added two new API operations: GetRetainedMessage, ListRetainedMessages.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8d9ca6e6bd..478b84bbae 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,16 @@
 CHANGELOG
 =========
 
+1.18.28
+=======
+
+* api-change:``mediaconvert``: [``botocore``] AWS Elemental MediaConvert SDK has added MBAFF encoding support for AVC video and the ability to pass encryption context from the job settings to S3.
+* api-change:``polly``: [``botocore``] Amazon Polly adds new New Zealand English voice - Aria. Aria is available as Neural voice only.
+* api-change:``transcribe``: [``botocore``] This release adds support for feature tagging with Amazon Transcribe batch jobs.
+* api-change:``ssm``: [``botocore``] Updated Parameter Store property for logging improvements.
+* api-change:``iot-data``: [``botocore``] Updated Publish with support for new Retain flag and added two new API operations: GetRetainedMessage, ListRetainedMessages.
+
+
 1.18.27
 =======
 
diff --git a/boto3/__init__.py b/boto3/__init__.py
index 55fd28eb7b..3d6f9e599e 100644
--- a/boto3/__init__.py
+++ b/boto3/__init__.py
@@ -18,7 +18,7 @@
 
 
 __author__ = 'Amazon Web Services'
-__version__ = '1.18.27'
+__version__ = '1.18.28'
 
 
 # The default Boto3 session; autoloaded when needed.
diff --git a/setup.cfg b/setup.cfg
index 74248cfd67..179635da63 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ universal = 0
 
 [metadata]
 requires_dist =
-    botocore>=1.21.27,<1.22.0
+    botocore>=1.21.28,<1.22.0
     jmespath>=0.7.1,<1.0.0
     s3transfer>=0.5.0,<0.6.0
 
diff --git a/setup.py b/setup.py
index 8608f2a2b5..b7cbbedbaf 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 
 
 requires = [
-    'botocore>=1.21.27,<1.22.0',
+    'botocore>=1.21.28,<1.22.0',
     'jmespath>=0.7.1,<1.0.0',
     's3transfer>=0.5.0,<0.6.0'
 ]