diff --git a/requirements_dev.pip b/requirements_dev.pip
index 659cfb4..14dc8ae 100644
--- a/requirements_dev.pip
+++ b/requirements_dev.pip
@@ -8,7 +8,7 @@ coverage==4.3.4
 Sphinx==1.5.5
 cryptography==1.8.1
 PyYAML==3.12
-pytest==3.0.7
+pytest==3.4.2
 Pygments==2.2.0
 Babel==2.4.0
 docutils==0.13.1