diff --git a/requirements-dev.txt b/requirements-dev.txt
index 48494fd..a318f58 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,4 +3,4 @@
 coveralls==1.11.1
 pytest==5.4.1
 pytest-cov==2.8.1
-pytest-mock==2.0.0
+pytest-mock==3.0.0