diff --git a/setup.py b/setup.py
index 5d457efb..cffce457 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
       extras_require={
           "test": [
               "nose==1.3.7",
-              "mock==3.0.5",
+              "mock==4.0.3",
               "pylint==2.4.2",
               "python-dotenv==0.15.0"
           ]