diff --git a/requirements/testing.txt b/requirements/testing.txt
index ae8fbf8b..c162ba5d 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -11,7 +11,7 @@ flake8>=5.0.4,<8
 black>=22.8.0; python_version=="3.6"
 black==22.10.0; python_version>"3.6"
 click==8.0.4  # black is affected by https://github.com/pallets/click/issues/2225
-psutil>=5,<6
+psutil>=6.0.0,<7
 #  used only under slack_sdk/*_store
 boto3<=2
 # For AWS tests