diff --git a/{{cookiecutter.app_name}}/requirements/development.txt b/{{cookiecutter.app_name}}/requirements/development.txt
index e2c64ef..9239829 100644
--- a/{{cookiecutter.app_name}}/requirements/development.txt
+++ b/{{cookiecutter.app_name}}/requirements/development.txt
@@ -2,7 +2,7 @@
 -r production.txt
 
 # Testing
-pytest
+pytest==3.3.0
 ipdb
 Faker
 datadiff