diff --git a/requirements_dev.txt b/requirements_dev.txt
index 72de2ed..a9127d3 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,4 +8,4 @@ coverage==4.1
 Sphinx==1.5.5
 cryptography==1.7
 PyYAML==3.11
-pytest==2.9.2
+pytest==3.2.1