diff --git a/test-requirements.txt b/test-requirements.txt
index 75ac9c60..dab7f050 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ flake8==3.6.0
 grpcio-tools>=1.2.0
 hypothesis==3.82.1
 pip==18.1
-pytest==4.0.1
+pytest==4.3.1
 wheel==0.31.1
 pycodestyle==2.4.0
 tox==3.5.3