diff --git a/requirements.txt b/requirements.txt
index 0c71150..bae4ef7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ google-auth==1.2.1
 google-auth-httplib2==0.0.3
 click==6.7
 tox==2.9.1
-pytest==3.3.2
+pytest==4.6.1
 pytest-cov==2.5.1