diff --git a/requirements_dev.txt b/requirements_dev.txt
index f1d2e839..391cafd8 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -13,6 +13,6 @@ future==0.16.0
 scipy>=0.17.0
 numpy>=1.13.0
 matplotlib>=1.3.1
-pytest==3.6.4
+pytest==3.7.1
 attrs==18.1.0
 pre-commit
\ No newline at end of file