diff --git a/FUNDING.yml b/FUNDING.yml
new file mode 100644
index 00000000..8fae09c2
--- /dev/null
+++ b/FUNDING.yml
@@ -0,0 +1 @@
+custom: ["https://xscode.com/gabrielfalcao/HTTPretty"]
diff --git a/README.rst b/README.rst
index e806b3c0..57cbac65 100644
--- a/README.rst
+++ b/README.rst
@@ -3,6 +3,7 @@ HTTPretty 1.0.2
 
 HTTP Client mocking tool for Python. Provides a full fake TCP socket module. Inspired by `FakeWeb <https://github.com/chrisk/fakeweb>`_
 
+
 - `Github Repository <https://github.com/gabrielfalcao/HTTPretty>`_
 - `Documentation <https://httpretty.readthedocs.io/en/latest/>`_
 - `PyPI Package <https://pypi.org/project/httpretty/>`_
diff --git a/development.txt b/development.txt
index 72cdf216..b86aa6fe 100644
--- a/development.txt
+++ b/development.txt
@@ -1,3 +1,4 @@
+check-manifest==0.41
 coverage>=5.0.3
 cryptography>=2.8
 eventlet==0.25.1  # issue #254