diff --git a/requirements_dev.txt b/requirements_dev.txt
index 90d0dfd..0acaca3 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ coverage==4.5.3
 Sphinx==2.1.1
 cryptography==2.7
 PyYAML==5.1.1
-pytest==4.6.2
+pytest==4.6.3
 pytest-runner==5.1
 vcrpy==2.0.1
 twine==1.13.0