[requires.io] dependency update

requires · requires · commit b01a6c243b37 · 2018-02-04T02:57:23.000Z
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,5 +1,5 @@
 pytest==3.4.0
 pytest-cov==2.5.1
-coverage==4.4.2
+coverage==4.5
 pytest-xdist==1.22.0
 hypothesis
