[requires.io] dependency update

requires · requires · commit 746b70ebd01c · 2017-08-14T19:21:20.000-05:00
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,3 +1,3 @@
 pytest==3.2.1
 pytest-cov==2.5.1
-hypothesis==3.18.0
+hypothesis==3.18.1
