diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 23afc9d8..195a736c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -33,6 +33,7 @@ jobs:
       default_python: '3.10'
       coverage: 'codecov'
       envs: |
+        - linux: py312
         - linux: py311
         - windows: py310-online
         - macos: py39
diff --git a/changelog/322.bugfix.rst b/changelog/322.bugfix.rst
new file mode 100644
index 00000000..50ccc912
--- /dev/null
+++ b/changelog/322.bugfix.rst
@@ -0,0 +1 @@
+Fix some deprecation warnings for Python 3.12 support.
diff --git a/dkist/net/globus/tests/test_auth.py b/dkist/net/globus/tests/test_auth.py
index 1e755c27..032f8ea9 100644
--- a/dkist/net/globus/tests/test_auth.py
+++ b/dkist/net/globus/tests/test_auth.py
@@ -122,4 +122,4 @@ def test_func():
         return True
 
     assert test_func()
-    assert reauth.called_once_with(force_reauth=True)
+    reauth.assert_called_once_with(force_reauth=True)
diff --git a/setup.cfg b/setup.cfg
index 3ab9b91c..30efcfa6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,6 +15,7 @@ classifiers =
   Programming Language :: Python :: 3.9
   Programming Language :: Python :: 3.10
   Programming Language :: Python :: 3.11
+  Programming Language :: Python :: 3.12
 
 [options]
 python_requires = >=3.9
@@ -22,7 +23,6 @@ packages = find:
 include_package_data = True
 install_requires =
   aiohttp>=3.6
-  platformdirs>=3.0
   # Provide minimum deps for all asdf packages used to generate or read asdf
   # files so that we test with these minimums and also generate asdf's with
   # them
@@ -44,6 +44,7 @@ install_requires =
   ndcube[plotting,reproject]>=2.0
   numpy>=1.22
   parfive[ftp]>=1.5
+  platformdirs>=3.0
   sunpy[net,asdf]>=4.0.7
   tqdm>=4.63
 setup_requires = setuptools_scm
@@ -143,6 +144,11 @@ filterwarnings =
     ignore:Converter handles multiple tags for this extension:asdf.exceptions.AsdfWarning
     # https://github.com/pandas-dev/pandas/issues/54466
     ignore:\nPyarrow will become a required dependency of pandas in the next major release of pandas:DeprecationWarning
+    # This seems to be coming out of pandas
+    ignore:datetime.datetime.utcfromtimestamp.*:DeprecationWarning
+    # The new way of doing it is 3.11
+    ignore:datetime.datetime.utcnow.*:DeprecationWarning
+
 [flake8]
 exclude = extern,sphinx,*parsetab.py,conftest.py,docs/conf.py,setup.py,__init__.py
 max-line-length = 100