[requires.io] dependency update

requires · requires · commit 0dc6762aa9b7 · 2017-08-26T07:00:45.000-05:00
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,3 +1,3 @@
 pytest==3.2.1
-hypothesis==3.21.2
+hypothesis==3.21.3
 coverage==4.4.1
