diff --git a/pyproject.toml b/pyproject.toml
index 8ae30ed73..e4b833e8b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,9 +15,10 @@ classifiers = [
 dependencies = [
     "asdf >=3.3.0",
     "asdf-astropy >=0.5.0",
-    "astropy >=5.3.0",
+    "astropy >=6.0.0",
     "crds >=11.16.16",
-    "gwcs >=0.21.0",
+    # "gwcs >=0.21.0",
+    "gwcs @ git+https://github.com/spacetelescope/gwcs.git@master",
     "jsonschema >=4.8",
     "numpy >=1.24",
     "photutils >=1.13.0",
@@ -25,7 +26,7 @@ dependencies = [
     "requests >=2.26",
     # "roman_datamodels>=0.22.0,<0.23.0",
     "roman_datamodels @ git+https://github.com/spacetelescope/roman_datamodels.git",
-    "scipy >=1.11",
+    "scipy >=1.14.1",
     # "stcal>=1.10.0,<1.11.0",
     "stcal @ git+https://github.com/spacetelescope/stcal.git@main",
     # "stpipe >=0.7.0,<0.8.0",