diff --git a/.github/workflows/mmtwfs-tests.yml b/.github/workflows/mmtwfs-tests.yml
index 267730a..2fdc844 100644
--- a/.github/workflows/mmtwfs-tests.yml
+++ b/.github/workflows/mmtwfs-tests.yml
@@ -21,17 +21,18 @@ jobs:
       envs: |
         - linux: codestyle
           pytest: false
-        - linux: py39-alldeps-cov
-          name: py39
-        - macos: py39
-          name: py39-macos
-        - linux: py38-astropylts
-          name: py38-astropyLTS
+        - linux: py312-alldeps-cov
+          name: py312
+        - macos: py312
+          name: py312-macos
+        - linux: py312-astropydev
+          name: py312-astropy-latest
+          continue-on-error: true
+        - linux: py312-numpydev
+          name: py312-numpy-latest
+          continue-on-error: true
         - linux: build_docs
         - linux: linkcheck
-#        - linux: py310-astropydev-numpydev
-#          name: py310-dev
-#          continue-on-error: true
       coverage: 'codecov'
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV }}
diff --git a/mmtwfs/tests/test_wfs.py b/mmtwfs/tests/test_wfs.py
index cb6c770..de9f24c 100644
--- a/mmtwfs/tests/test_wfs.py
+++ b/mmtwfs/tests/test_wfs.py
@@ -86,7 +86,7 @@ def test_mmirs_analysis():
     results = mmirs.measure_slopes(test_file)
     zresults = mmirs.fit_wavefront(results)
     testval = int(zresults['zernike']['Z10'].value)
-    assert (testval > 335) & (testval < 345)
+    assert (testval > 416) & (testval < 436)
     plt.close('all')
 
 
diff --git a/setup.cfg b/setup.cfg
index 9012304..15f4976 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,7 +12,7 @@ github_project = MMTObservatory/mmtwfs
 [options]
 zip_safe = False
 packages = find:
-python_requires = >=3.8
+python_requires = >=3.10
 setup_requires = setuptools_scm
 install_requires =
     astropy
diff --git a/tox.ini b/tox.ini
index b3c4b77..1c6b046 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,8 +1,7 @@
 [tox]
 envlist =
-    py{39,310,311}{,-alldeps}{,-cov}
-    py{39,310,311}-astropylts
-    py{39,310,311}-{numpy,astropy}dev
+    py{310,311,312}{,-alldeps}{,-cov}
+    py{310,311,312}-{numpy,astropy}dev
     build_docs
     linkcheck
     codestyle
@@ -34,12 +33,10 @@ description =
     run tests
     cov: with coverage enabled
     alldeps: with all optional dependencies
-    astropylts: with astropy LTS
     {numpy,astropy}dev: with latest master from github repo
     cov_report: generate HTML coverage report
 
 deps =
-    astropylts: astropy==5.0.*
     numpydev: git+https://github.com/numpy/numpy.git#egg=numpy
     astropydev: git+https://github.com/astropy/astropy.git#egg=astropy