diff --git a/requirements_dev.txt b/requirements_dev.txt
index ba105ec7..31841c84 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ pillow==8.1.2
 pytest==6.2.2
 pytest-cache==1.0
 pytest-cov==2.11.1
-pytest-mock<=1.11.1
+pytest-mock<3.5.2
 recommonmark==0.7.1
 requests==2.25.1
 requests-mock==1.8.0