diff --git a/requirements-dev.txt b/requirements-dev.txt
index b897c89..e2f7ef2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ flake8==3.8.3
 async-timeout==3.0.1
 pytest==5.4.3
 pytest-cov==2.10.0
-pytest-mock==3.1.1
+pytest-mock==3.2.0
 coverage==5.2
 sphinx==3.1.2
 pep257==0.7.0