diff --git a/requirements-tests.txt b/requirements-tests.txt
index fe0b4c6..5372d09 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
-pytest
+pytest==3.2.3
 pytest-sugar
 pytest-pep8
 pytest-flake8