diff --git a/pyproject.toml b/pyproject.toml
index 91fbbda..2543f7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ dependencies = [
     "shapely == 2.1.2",
     "spherical-geometry == 1.3.5",
     "setuptools == 82.0.1",
-    "stdatamodels == 4.1.0",
+    "stdatamodels == 5.0.1",
     "stsci.imagestats == 1.8.4",
     "stsci.stimage == 0.3.0",
     "stpsf == 2.2.0",