diff --git a/.changes/1.33.27.json b/.changes/1.33.27.json
new file mode 100644
index 000000000000..fca532be9e20
--- /dev/null
+++ b/.changes/1.33.27.json
@@ -0,0 +1,62 @@
+[
+  {
+    "category": "``acm-pca``",
+    "description": "Fix broken waiters for the acm-pca client.  Waiters broke in version 1.13.144 of the Boto3 SDK.",
+    "type": "api-change"
+  },
+  {
+    "category": "``connect``",
+    "description": "Amazon Connect expands search API coverage for additional resources.  Search for hierarchy groups by name, ID, tag, or other criteria (new endpoint). Search for agent statuses by name, ID, tag, or other criteria (new endpoint). Search for users by their assigned proficiencies (enhanced endpoint)",
+    "type": "api-change"
+  },
+  {
+    "category": "``ec2``",
+    "description": "Amazon VPC IP Address Manager (IPAM) now supports Bring-Your-Own-IP (BYOIP) for IP addresses registered with any Internet Registry. This feature uses DNS TXT records to validate ownership of a public IP address range.",
+    "type": "api-change"
+  },
+  {
+    "category": "``firehose``",
+    "description": "This release 1) Add configurable buffering hints for Snowflake as destination. 2) Add ReadFromTimestamp for MSK As Source. Firehose will start reading data from MSK Cluster using offset associated with this timestamp. 3) Gated public beta release to add Apache Iceberg tables as destination.",
+    "type": "api-change"
+  },
+  {
+    "category": "``ivschat``",
+    "description": "Documentation update for IVS Chat API Reference.",
+    "type": "api-change"
+  },
+  {
+    "category": "``medialive``",
+    "description": "AWS Elemental MediaLive now supports the SRT protocol via the new SRT Caller input type.",
+    "type": "api-change"
+  },
+  {
+    "category": "``rds``",
+    "description": "Updates Amazon RDS documentation to specify an eventual consistency model for DescribePendingMaintenanceActions.",
+    "type": "api-change"
+  },
+  {
+    "category": "``sagemaker``",
+    "description": "SageMaker Training supports R5, T3 and R5D instances family. And SageMaker Processing supports G5 and R5D instances family.",
+    "type": "api-change"
+  },
+  {
+    "category": "``secretsmanager``",
+    "description": "Doc only update for Secrets Manager",
+    "type": "api-change"
+  },
+  {
+    "category": "``taxsettings``",
+    "description": "Set default endpoint for aws partition. Requests from all regions in aws partition will be forward to us-east-1 endpoint.",
+    "type": "api-change"
+  },
+  {
+    "category": "``timestream-query``",
+    "description": "Doc-only update for TimestreamQuery. Added guidance about the accepted valid value for the QueryPricingModel parameter.",
+    "type": "api-change"
+  },
+  {
+    "category": "``workspaces-thin-client``",
+    "description": "Documentation update for WorkSpaces Thin Client.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8759872ac763..c256c2c93174 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,23 @@
 CHANGELOG
 =========
 
+1.33.27
+=======
+
+* api-change:``acm-pca``: Fix broken waiters for the acm-pca client.  Waiters broke in version 1.13.144 of the Boto3 SDK.
+* api-change:``connect``: Amazon Connect expands search API coverage for additional resources.  Search for hierarchy groups by name, ID, tag, or other criteria (new endpoint). Search for agent statuses by name, ID, tag, or other criteria (new endpoint). Search for users by their assigned proficiencies (enhanced endpoint)
+* api-change:``ec2``: Amazon VPC IP Address Manager (IPAM) now supports Bring-Your-Own-IP (BYOIP) for IP addresses registered with any Internet Registry. This feature uses DNS TXT records to validate ownership of a public IP address range.
+* api-change:``firehose``: This release 1) Add configurable buffering hints for Snowflake as destination. 2) Add ReadFromTimestamp for MSK As Source. Firehose will start reading data from MSK Cluster using offset associated with this timestamp. 3) Gated public beta release to add Apache Iceberg tables as destination.
+* api-change:``ivschat``: Documentation update for IVS Chat API Reference.
+* api-change:``medialive``: AWS Elemental MediaLive now supports the SRT protocol via the new SRT Caller input type.
+* api-change:``rds``: Updates Amazon RDS documentation to specify an eventual consistency model for DescribePendingMaintenanceActions.
+* api-change:``sagemaker``: SageMaker Training supports R5, T3 and R5D instances family. And SageMaker Processing supports G5 and R5D instances family.
+* api-change:``secretsmanager``: Doc only update for Secrets Manager
+* api-change:``taxsettings``: Set default endpoint for aws partition. Requests from all regions in aws partition will be forward to us-east-1 endpoint.
+* api-change:``timestream-query``: Doc-only update for TimestreamQuery. Added guidance about the accepted valid value for the QueryPricingModel parameter.
+* api-change:``workspaces-thin-client``: Documentation update for WorkSpaces Thin Client.
+
+
 1.33.26
 =======
 
diff --git a/awscli/__init__.py b/awscli/__init__.py
index 56c1be413812..1e21f7bba6c4 100644
--- a/awscli/__init__.py
+++ b/awscli/__init__.py
@@ -17,7 +17,7 @@
 """
 import os
 
-__version__ = '1.33.26'
+__version__ = '1.33.27'
 
 #
 # Get our data path to be added to botocore's search path
diff --git a/doc/source/conf.py b/doc/source/conf.py
index e7c17dc824d4..08d4f78a641d 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -52,7 +52,7 @@
 # The short X.Y version.
 version = '1.33.'
 # The full version, including alpha/beta/rc tags.
-release = '1.33.26'
+release = '1.33.27'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.cfg b/setup.cfg
index d0b63614556a..6f99ff6eda4c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ universal = 0
 
 [metadata]
 requires_dist =
-        botocore==1.34.144
+        botocore==1.34.145
         docutils>=0.10,<0.17
         s3transfer>=0.10.0,<0.11.0
         PyYAML>=3.10,<6.1
diff --git a/setup.py b/setup.py
index eba36ccccdf4..e565bc3ee4eb 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ def find_version(*file_paths):
 
 
 install_requires = [
-    'botocore==1.34.144',
+    'botocore==1.34.145',
     'docutils>=0.10,<0.17',
     's3transfer>=0.10.0,<0.11.0',
     'PyYAML>=3.10,<6.1',