diff --git a/pyproject.toml b/pyproject.toml
index 8e08c07e7..0afa320c4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,8 @@ dependencies = [
     'fsspec==2022.8.2; sys_platform != "darwin"',
     'fsspec==2022.5.0; sys_platform == "darwin"',
     'h5py==3.7.0',
-    'requests==2.28.1'
+    'requests==2.28.1',
+    'psutil==6.0.0'
     ]
 
 [project.scripts]