diff --git a/libraries/botbuilder-core/botbuilder/core/about.py b/libraries/botbuilder-core/botbuilder/core/about.py
index 3b0e76ca5..8511ac3c5 100644
--- a/libraries/botbuilder-core/botbuilder/core/about.py
+++ b/libraries/botbuilder-core/botbuilder/core/about.py
@@ -2,7 +2,7 @@
 # Licensed under the MIT License.
 
 __title__ = 'botbuilder-core'
-__version__ = '4.0.0.a5'
+__version__ = '4.0.0.a6'
 __uri__ = 'https://www.github.com/Microsoft/botbuilder-python'
 __author__ = 'Microsoft'
 __description__ = 'Microsoft Bot Framework Bot Builder'
diff --git a/libraries/botbuilder-core/requirements.txt b/libraries/botbuilder-core/requirements.txt
index 178c09dbb..08f217cb9 100644
--- a/libraries/botbuilder-core/requirements.txt
+++ b/libraries/botbuilder-core/requirements.txt
@@ -1,6 +1,6 @@
 git+https://github.com/Azure/msrest-for-python.git@a997e97cd926c1eedfe4e5a3a52a637313fbd4e4
-botframework-connector>=4.0.0.a5
-botbuilder-schema>=4.0.0.a5
+botframework-connector>=4.0.0.a6
+botbuilder-schema>=4.0.0.a6
 requests>=2.18.1
 PyJWT==1.5.3
 cryptography==2.1.4
\ No newline at end of file
diff --git a/libraries/botbuilder-core/setup.py b/libraries/botbuilder-core/setup.py
index d23636d89..a9c3d4e49 100644
--- a/libraries/botbuilder-core/setup.py
+++ b/libraries/botbuilder-core/setup.py
@@ -5,8 +5,8 @@
 from setuptools import setup
 
 REQUIRES = [
-    'botbuilder-schema>=4.0.0.a5',
-    'botframework-connector>=4.0.0.a5']
+    'botbuilder-schema>=4.0.0.a6',
+    'botframework-connector>=4.0.0.a6']
 
 root = os.path.abspath(os.path.dirname(__file__))
 
diff --git a/libraries/botbuilder-schema/setup.py b/libraries/botbuilder-schema/setup.py
index 31667fd83..4565f47e0 100644
--- a/libraries/botbuilder-schema/setup.py
+++ b/libraries/botbuilder-schema/setup.py
@@ -4,7 +4,7 @@
 from setuptools import setup
 
 NAME = "botbuilder-schema"
-VERSION = "4.0.0.a5"
+VERSION = "4.0.0.a6"
 REQUIRES = ["msrest==0.4.29"]
 
 setup(
diff --git a/libraries/botframework-connector/requirements.txt b/libraries/botframework-connector/requirements.txt
index 94726bef1..967217706 100644
--- a/libraries/botframework-connector/requirements.txt
+++ b/libraries/botframework-connector/requirements.txt
@@ -1,5 +1,5 @@
 git+https://github.com/Azure/msrest-for-python.git@a997e97cd926c1eedfe4e5a3a52a637313fbd4e4
-botbuilder-schema>=4.0.0.a5
+botbuilder-schema>=4.0.0.a6
 requests>=2.18.1
 PyJWT==1.5.3
 cryptography==2.1.4
\ No newline at end of file
diff --git a/libraries/botframework-connector/setup.py b/libraries/botframework-connector/setup.py
index 1be83d7d3..42b8162f8 100644
--- a/libraries/botframework-connector/setup.py
+++ b/libraries/botframework-connector/setup.py
@@ -4,13 +4,13 @@
 from setuptools import setup
 
 NAME = "botframework-connector"
-VERSION = "4.0.0.a5"
+VERSION = "4.0.0.a6"
 REQUIRES = [
     "msrest==0.4.29",
     "requests>=2.8.1",
     "cryptography>=2.1.4",
     "PyJWT>=1.5.3",
-    "botbuilder-schema>=4.0.0.a3"]
+    "botbuilder-schema>=4.0.0.a6"]
 
 setup(
     name=NAME,
diff --git a/samples/Console-EchoBot/requirements.txt b/samples/Console-EchoBot/requirements.txt
index 5d1c68f11..bdec7cee7 100644
--- a/samples/Console-EchoBot/requirements.txt
+++ b/samples/Console-EchoBot/requirements.txt
@@ -1,2 +1,2 @@
 git+https://github.com/Azure/msrest-for-python.git@a997e97cd926c1eedfe4e5a3a52a637313fbd4e4
-botbuilder-core>=4.0.0.a5
\ No newline at end of file
+botbuilder-core>=4.0.0.a6
\ No newline at end of file
diff --git a/samples/EchoBot-with-State/requirements.txt b/samples/EchoBot-with-State/requirements.txt
index f87535365..e51991bcb 100644
--- a/samples/EchoBot-with-State/requirements.txt
+++ b/samples/EchoBot-with-State/requirements.txt
@@ -1,3 +1,3 @@
 git+https://github.com/Azure/msrest-for-python.git@a997e97cd926c1eedfe4e5a3a52a637313fbd4e4
-botbuilder-core>=4.0.0.a5
+botbuilder-core>=4.0.0.a6
 aiohttp>=3.0.0
\ No newline at end of file
diff --git a/samples/Rich-Cards-Bot/requirements.txt b/samples/Rich-Cards-Bot/requirements.txt
index f87535365..e51991bcb 100644
--- a/samples/Rich-Cards-Bot/requirements.txt
+++ b/samples/Rich-Cards-Bot/requirements.txt
@@ -1,3 +1,3 @@
 git+https://github.com/Azure/msrest-for-python.git@a997e97cd926c1eedfe4e5a3a52a637313fbd4e4
-botbuilder-core>=4.0.0.a5
+botbuilder-core>=4.0.0.a6
 aiohttp>=3.0.0
\ No newline at end of file