diff --git a/pyproject.toml b/pyproject.toml
index 9140014..2ec5847 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
     "hoa-tools @ git+https://github.com/HumanOrganAtlas/hoa-tools.git@main",
     "matplotlib==3.9.2",
     "numpy==1.26.4",
-    "psutil==5.9.8",
+    "psutil==6.0.0",
     "scikit-image==0.24.0",
     "simpleitk==2.3.1",
     "zarr==2.18.2",