diff --git a/tox.ini b/tox.ini
index 603ab0308..4b89c622f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,6 +60,9 @@ deps =
     devdeps: git+https://github.com/astropy/asdf-astropy.git
     devdeps: git+https://github.com/spacetelescope/stdatamodels.git
 
+    # Currently need dev astropy with python 3.12
+    py312: git+https://github.com/astropy/astropy.git#egg=astropy
+
 # The following indicates which extras_require from setup.cfg will be installed
 extras =
     test