diff --git a/requirements-testing.txt b/requirements-testing.txt
index a14a7bbd..e21c62c1 100644
--- a/requirements-testing.txt
+++ b/requirements-testing.txt
@@ -6,7 +6,7 @@ pytest==6.2.5
 pytest-cov==2.12.1
 autopep8==1.5.7
 mypy==0.812
-py-spy==0.3.7
+py-spy==0.3.9
 codecov==2.1.12
 tox==3.24.3
 mccabe==0.6.1