diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7f096a5..806537a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,6 +3,6 @@
 #   prequ update
 #
 pluggy==0.4.0
-py==1.4.34
+py==1.10.0
 tox==2.7.0
 virtualenv==15.1.0
diff --git a/requirements-test.txt b/requirements-test.txt
index c9c8449..497d86e 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -6,7 +6,7 @@ coverage==4.4.1
 funcsigs==1.0.2
 mock==2.0.0
 pbr==3.1.1
-py==1.4.34
+py==1.10.0
 pytest==3.2.1
 pytest-cov==2.5.1
 pytest-sugar==0.9.0