diff --git a/requirements-dev.txt b/requirements-dev.txt
index dc873ec..ce1999d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@ flake8==3.7.8
 async-timeout==3.0.1
 pytest==5.2.0
 pytest-cov==2.7.1
-pytest-mock==1.11.0
+pytest-mock==1.11.1
 coverage==4.5.4
 sphinx==2.2.0
 pep257==0.7.0