diff --git a/README.rst b/README.rst
index 37cb3eca..3edb9869 100644
--- a/README.rst
+++ b/README.rst
@@ -1,7 +1,7 @@
 
-===========================
+===================================
 SageMaker PyTorch Serving Container
-===========================
+===================================
 
 SageMaker PyTorch Serving Container is an open source library for making the
 PyTorch framework run on Amazon SageMaker.
diff --git a/buildspec.yml b/buildspec.yml
index 9ea0056f..1d4e9adf 100644
--- a/buildspec.yml
+++ b/buildspec.yml
@@ -28,7 +28,7 @@ phases:
 
   build:
     commands:
-      - tox -e flake8
+      - tox -e flake8,twine
 
       # install
       - pip3 install -U -e .