diff --git a/pyproject.toml b/pyproject.toml
index e114c36fd3..4351005b34 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 ]
 dependencies = [
     "asdf>=3.3,<5",
-    "astropy>=6.0",
+    "astropy>=6.1",
     "BayesicFitting>=3.0.1",
     "crds>=12.0.3",
     "drizzle>=2.0.0",
@@ -39,7 +39,7 @@ dependencies = [
     "stsci.imagestats>=1.6.3",
     "synphot>=1.2",
     "tweakwcs>=0.8.8",
-    "asdf-astropy>=0.3.0",
+    "asdf-astropy>=0.5.0",
     "wiimatch>=0.2.1",
     "packaging>20.0",
     "importlib-metadata>=4.11.4",