diff --git a/requirements_dev.txt b/requirements_dev.txt
index f04bbf7..1e2eef6 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,6 +8,6 @@ coverage==4.4.2
 Sphinx==1.6.5
 cryptography==2.1.3
 PyYAML==3.12
-pytest==3.2.5
+pytest==4.6.2
 pytest-runner==3.0
 requests==2.18.4
\ No newline at end of file