diff --git a/requirements/test.txt b/requirements/test.txt
index a4b0c959c7..d6b6b9f055 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -8,7 +8,7 @@ mypy==0.790; implementation_name=="cpython"
 mypy-extensions==0.4.3; implementation_name=="cpython"
 pytest==6.1.2
 pytest-cov==2.10.1
-pytest-mock==3.3.1
+pytest-mock==3.5.0
 re-assert==1.1.0
 setuptools-git==1.2
 trustme==0.6.0; platform_machine!="i686"    # no 32-bit wheels