diff --git a/.changes/1.12.16.json b/.changes/1.12.16.json
new file mode 100644
index 0000000000..c5f762087e
--- /dev/null
+++ b/.changes/1.12.16.json
@@ -0,0 +1,27 @@
+[
+  {
+    "category": "``signer``", 
+    "description": "[``botocore``] Update signer client to latest version", 
+    "type": "api-change"
+  }, 
+  {
+    "category": "``guardduty``", 
+    "description": "[``botocore``] Update guardduty client to latest version", 
+    "type": "api-change"
+  }, 
+  {
+    "category": "``appmesh``", 
+    "description": "[``botocore``] Update appmesh client to latest version", 
+    "type": "api-change"
+  }, 
+  {
+    "category": "``ec2``", 
+    "description": "[``botocore``] Update ec2 client to latest version", 
+    "type": "api-change"
+  }, 
+  {
+    "category": "``robomaker``", 
+    "description": "[``botocore``] Update robomaker client to latest version", 
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 13b14ea28a..2fe2357f8e 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,16 @@
 CHANGELOG
 =========
 
+1.12.16
+=======
+
+* api-change:``signer``: [``botocore``] Update signer client to latest version
+* api-change:``guardduty``: [``botocore``] Update guardduty client to latest version
+* api-change:``appmesh``: [``botocore``] Update appmesh client to latest version
+* api-change:``ec2``: [``botocore``] Update ec2 client to latest version
+* api-change:``robomaker``: [``botocore``] Update robomaker client to latest version
+
+
 1.12.15
 =======
 
diff --git a/boto3/__init__.py b/boto3/__init__.py
index 9d506cce2f..9b1a602ae7 100644
--- a/boto3/__init__.py
+++ b/boto3/__init__.py
@@ -17,7 +17,7 @@
 
 
 __author__ = 'Amazon Web Services'
-__version__ = '1.12.15'
+__version__ = '1.12.16'
 
 
 # The default Boto3 session; autoloaded when needed.
diff --git a/setup.cfg b/setup.cfg
index ee9a9255ac..ddd163ae63 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,6 +3,6 @@ universal = 1
 
 [metadata]
 requires-dist =
-    botocore>=1.15.15,<1.16.0
+    botocore>=1.15.16,<1.16.0
     jmespath>=0.7.1,<1.0.0
     s3transfer>=0.3.0,<0.4.0
diff --git a/setup.py b/setup.py
index 581319368a..95dc5c27b4 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 
 
 requires = [
-    'botocore>=1.15.15,<1.16.0',
+    'botocore>=1.15.16,<1.16.0',
     'jmespath>=0.7.1,<1.0.0',
     's3transfer>=0.3.0,<0.4.0'
 ]