diff --git a/requirements-dev.txt b/requirements-dev.txt
index 19a4820..c713a3b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ mock==3.0.5
 moto==1.3.6
 py==1.8.0
 pytest-cov==2.8.1
-pytest==3.8.2; python_version == '2.7'
+pytest==5.3.1; python_version == '2.7'
 pytest==4.6.6; python_version == '3.4'
 pytest==5.2.1; python_version > '3.4'
 wheel==0.33.6