diff --git a/tox.ini b/tox.ini
index 469416cda..0402b8dbc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{38,39,310,311}-{codestyle,test,docs}-all-{dev,legacy}{,-visual}
+    py{38,39,310,311,312}-{codestyle,test,docs}-all-{dev,legacy}{,-visual}
 requires = pip >= 18.0
            setuptools >= 30.3.0
 
@@ -10,7 +10,7 @@ passenv =
     DISPLAY
     HOME
 setenv =
-    dev: PIP_EXTRA_INDEX_URL = https://pypi.anaconda.org/astropy/simple https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
+    dev: PIP_EXTRA_INDEX_URL = https://pypi.anaconda.org/astropy/simple https://pypi.anaconda.org/liberfa/simple https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
     visual: MPLFLAGS = -m "mpl_image_compare" --mpl --mpl-generate-summary=html --mpl-results-path={toxinidir}/results --mpl-hash-library={toxinidir}/glue/tests/visual/{envname}.json --mpl-baseline-path=https://raw.githubusercontent.com/glue-viz/glue-core-visual-tests/images/{envname}/
 whitelist_externals =
     find
@@ -22,7 +22,12 @@ changedir =
     docs: doc
 deps =
     dev: numpy>=0.0.dev0
+    dev: scipy>=0.0.dev0
     dev: astropy>=0.0.dev0
+    dev: pyerfa>=0.0.dev0
+    dev: contourpy>=0.0.dev0
+    dev: matplotlib>=0.0.dev0
+    dev: pandas>=0.0.dev0
     lts: astropy==5.0.*
     lts: matplotlib==3.5.*
     # Pin numpy-lts until permanent solution for #2353/#2428