diff --git a/test-requirements.txt b/test-requirements.txt
index ca7669c..5816ce2 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,5 +4,5 @@ dici==0.4.1
 robber==1.0.1
 bunch==1.0.1
 mock==2.0.0
-py==1.4.34
+py==1.10.0
 pytest==3.2.1