diff --git a/test/requirements.txt b/test/requirements.txt
index 5515ac9e..dfdec58c 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -1,4 +1,4 @@
-hypothesis
+hypothesis==3.63.0
 mock
 moto>=1.3.3
 pytest>=3.3.1