diff --git a/.changes/1.18.56.json b/.changes/1.18.56.json
new file mode 100644
index 000000000000..5def42fe1276
--- /dev/null
+++ b/.changes/1.18.56.json
@@ -0,0 +1,17 @@
+[
+  {
+    "category": "``resourcegroupstaggingapi``", 
+    "description": "Update resourcegroupstaggingapi command to latest version", 
+    "type": "api-change"
+  }, 
+  {
+    "category": "``sagemaker``", 
+    "description": "Update sagemaker command to latest version", 
+    "type": "api-change"
+  }, 
+  {
+    "category": "``guardduty``", 
+    "description": "Update guardduty command to latest version", 
+    "type": "api-change"
+  }
+]
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ef2a9342dcb4..a894ddaf2b85 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,14 @@
 CHANGELOG
 =========
 
+1.18.56
+=======
+
+* api-change:``resourcegroupstaggingapi``: Update resourcegroupstaggingapi command to latest version
+* api-change:``sagemaker``: Update sagemaker command to latest version
+* api-change:``guardduty``: Update guardduty command to latest version
+
+
 1.18.55
 =======
 
diff --git a/awscli/__init__.py b/awscli/__init__.py
index b09fd62aca81..1125d80dd074 100644
--- a/awscli/__init__.py
+++ b/awscli/__init__.py
@@ -17,7 +17,7 @@
 """
 import os
 
-__version__ = '1.18.55'
+__version__ = '1.18.56'
 
 #
 # 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 77778a1565fb..d99c29ff95cb 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -52,7 +52,7 @@
 # The short X.Y version.
 version = '1.18.'
 # The full version, including alpha/beta/rc tags.
-release = '1.18.55'
+release = '1.18.56'
 
 # 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 9adc7159e5e3..4c18564be930 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -4,7 +4,7 @@ universal = 1
 
 [metadata]
 requires-dist =
-        botocore==1.16.5
+        botocore==1.16.6
         docutils>=0.10,<0.16
         rsa>=3.1.2,<=3.5.0
         s3transfer>=0.3.0,<0.4.0
diff --git a/setup.py b/setup.py
index de508640164a..19b36b5feb9f 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ def find_version(*file_paths):
 
 
 install_requires = [
-    'botocore==1.16.5',
+    'botocore==1.16.6',
     'docutils>=0.10,<0.16',
     'rsa>=3.1.2,<=3.5.0',
     's3transfer>=0.3.0,<0.4.0',