diff --git a/requirements_dev.txt b/requirements_dev.txt
index 9d7da80..318a4ef 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,5 +7,5 @@ coverage==4.4.2
 Sphinx==1.6.4
 cryptography==2.1.4
 PyYAML==3.12
-pytest==3.3.1
+pytest==5.4.1
 pytest-runner==3.0