diff --git a/.changes/1.26.40.json b/.changes/1.26.40.json
new file mode 100644
index 0000000000..3e953125c6
--- /dev/null
+++ b/.changes/1.26.40.json
@@ -0,0 +1,22 @@
+[
+  {
+    "category": "``apigateway``",
+    "description": "[``botocore``] Documentation updates for Amazon API Gateway",
+    "type": "api-change"
+  },
+  {
+    "category": "``emr``",
+    "description": "[``botocore``] Update emr client to latest version",
+    "type": "api-change"
+  },
+  {
+    "category": "``secretsmanager``",
+    "description": "[``botocore``] Added owning service filter, include planned deletion flag, and next rotation date response parameter in ListSecrets.",
+    "type": "api-change"
+  },
+  {
+    "category": "``wisdom``",
+    "description": "[``botocore``] This release extends Wisdom CreateContent and StartContentUpload APIs to support PDF and MicrosoftWord docx document uploading.",
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 291ff4685a..96826ce361 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,15 @@
 CHANGELOG
 =========
 
+1.26.40
+=======
+
+* api-change:``apigateway``: [``botocore``] Documentation updates for Amazon API Gateway
+* api-change:``emr``: [``botocore``] Update emr client to latest version
+* api-change:``secretsmanager``: [``botocore``] Added owning service filter, include planned deletion flag, and next rotation date response parameter in ListSecrets.
+* api-change:``wisdom``: [``botocore``] This release extends Wisdom CreateContent and StartContentUpload APIs to support PDF and MicrosoftWord docx document uploading.
+
+
 1.26.39
 =======
 
diff --git a/boto3/__init__.py b/boto3/__init__.py
index fb8d0219b9..c87d2482c1 100644
--- a/boto3/__init__.py
+++ b/boto3/__init__.py
@@ -17,7 +17,7 @@
 from boto3.session import Session
 
 __author__ = 'Amazon Web Services'
-__version__ = '1.26.39'
+__version__ = '1.26.40'
 
 
 # The default Boto3 session; autoloaded when needed.
diff --git a/setup.cfg b/setup.cfg
index 8c2f887d70..192d883dda 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ universal = 0
 
 [metadata]
 requires_dist =
-    botocore>=1.29.39,<1.30.0
+    botocore>=1.29.40,<1.30.0
     jmespath>=0.7.1,<2.0.0
     s3transfer>=0.6.0,<0.7.0
 
diff --git a/setup.py b/setup.py
index 57785e3dfd..f2660d55b1 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 
 
 requires = [
-    'botocore>=1.29.39,<1.30.0',
+    'botocore>=1.29.40,<1.30.0',
     'jmespath>=0.7.1,<2.0.0',
     's3transfer>=0.6.0,<0.7.0',
 ]