diff --git a/.changes/1.33.1.json b/.changes/1.33.1.json
new file mode 100644
index 0000000000..1a237ffa8a
--- /dev/null
+++ b/.changes/1.33.1.json
@@ -0,0 +1,7 @@
+[
+  {
+    "category": "``elasticache``",
+    "description": "[``botocore``] Launching Amazon ElastiCache Serverless that enables you to create a cache in under a minute without any capacity management. ElastiCache Serverless monitors the cache's memory, CPU, and network usage and scales both vertically and horizontally to support your application's requirements.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d9720a50ab..6433c0f569 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,12 @@
 CHANGELOG
 =========
 
+1.33.1
+======
+
+* api-change:``elasticache``: [``botocore``] Launching Amazon ElastiCache Serverless that enables you to create a cache in under a minute without any capacity management. ElastiCache Serverless monitors the cache's memory, CPU, and network usage and scales both vertically and horizontally to support your application's requirements.
+
+
 1.33.0
 ======
 
diff --git a/boto3/__init__.py b/boto3/__init__.py
index 6d58cfa2fd..1e92465d8c 100644
--- a/boto3/__init__.py
+++ b/boto3/__init__.py
@@ -17,7 +17,7 @@
 from boto3.session import Session
 
 __author__ = 'Amazon Web Services'
-__version__ = '1.33.0'
+__version__ = '1.33.1'
 
 
 # The default Boto3 session; autoloaded when needed.
diff --git a/boto3/s3/transfer.py b/boto3/s3/transfer.py
index 27e5471474..c33ce6543a 100644
--- a/boto3/s3/transfer.py
+++ b/boto3/s3/transfer.py
@@ -199,11 +199,8 @@ def _should_use_crt(config):
 
     logger.debug(
         "Opting out of CRT Transfer Manager. Preferred client: "
-        "{pref_transfer_client}, CRT available: {HAS_CRT}, "
-        "Instance Optimized: {is_optimized_instance}.",
-        pref_transfer_client,
-        HAS_CRT,
-        is_optimized_instance,
+        f"{pref_transfer_client}, CRT available: {HAS_CRT}, "
+        f"Instance Optimized: {is_optimized_instance}."
     )
     return False
 
diff --git a/setup.cfg b/setup.cfg
index 229b3d60b2..93ce21635a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ universal = 0
 
 [metadata]
 requires_dist =
-    botocore>=1.33.0,<1.34.0
+    botocore>=1.33.1,<1.34.0
     jmespath>=0.7.1,<2.0.0
     s3transfer>=0.8.0,<0.9.0
 
diff --git a/setup.py b/setup.py
index bdc48c4fe0..42d92d4320 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 
 
 requires = [
-    'botocore>=1.33.0,<1.34.0',
+    'botocore>=1.33.1,<1.34.0',
     'jmespath>=0.7.1,<2.0.0',
     's3transfer>=0.8.0,<0.9.0',
 ]