diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0b83f11..0f184b9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ flake8==3.7.9
 async-timeout==3.0.1
 pytest==5.3.0
 pytest-cov==2.8.1
-pytest-mock==1.12.0
+pytest-mock==1.12.1
 coverage==4.5.4
 sphinx==2.2.1
 pep257==0.7.0