diff --git a/dev-requirements.txt b/dev-requirements.txt
index a539303..b7cec21 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -8,7 +8,7 @@ Jinja2==2.10
 MarkupSafe==1.1.0
 more-itertools==4.3.0
 pluggy==0.8.0
-py==1.7.0
+py==1.10.0
 pytest==4.0.1
 pytest-cov==2.6.0
 pytest-flask==0.14.0
diff --git a/requirements.txt b/requirements.txt
index 48d604b..aa69148 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Jinja2==2.10
 MarkupSafe==1.1.0
 more-itertools==4.3.0
 pluggy==0.8.0
-py==1.7.0
+py==1.10.0
 pytest==4.0.1
 pytest-cov==2.6.0
 six==1.11.0