diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5139d44..af3100f 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ coverage==5.0.3
 Sphinx==2.3.1
 cryptography==2.8
 PyYAML==5.2
-pytest==5.3.4
+pytest==5.3.5
 pytest-runner==5.2
 vcrpy==2.1.1
 twine==3.1.1