diff --git a/tests/requirements_py3.txt b/tests/requirements_py3.txt
index 5c35ac7..f1493b8 100644
--- a/tests/requirements_py3.txt
+++ b/tests/requirements_py3.txt
@@ -4,7 +4,7 @@ certifi==2022.12.7
 cffi==1.15.1
 chardet==5.0.0
 cryptography==38.0.4
-filelock==3.8.0
+filelock==3.9.0
 idna==3.4
 iniconfig==1.1.1
 invoke==1.7.3