diff --git a/pyproject.toml b/pyproject.toml
index 16fd4d7ae..d9089ef81 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,8 @@ dependencies = [
     "photutils >=1.13.0",
     "pyparsing >=2.4.7",
     "requests >=2.26",
-    # "roman_datamodels>=0.22.0,<0.23.0",
+    "roman_datamodels>=0.22.0,<0.23.0",
+    "rad @ git+https://github.com/schlafly/rad.git@remove-var-flat",
     "roman_datamodels @ git+https://github.com/spacetelescope/roman_datamodels.git",
     "scipy >=1.11",
     # "stcal>=1.10.0,<1.11.0",