diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 6cd15d9..2cb23db 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -16,11 +16,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.9, 3.11]
-        numpy-version: ["~=1.21.0", "~=1.26.0"]
-        exclude:
-        - python-version: 3.11
-          numpy-version: "~=1.21.0"
+        python-version: [3.11, 3.12]
+        numpy-version: ["~=1.25", "~=2.3"]
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/pyxdsm/__init__.py b/pyxdsm/__init__.py
index 3a5935a..ef6497d 100644
--- a/pyxdsm/__init__.py
+++ b/pyxdsm/__init__.py
@@ -1 +1 @@
-__version__ = "2.3.1"
+__version__ = "2.3.2"
diff --git a/setup.py b/setup.py
index ea8d36a..4b97280 100644
--- a/setup.py
+++ b/setup.py
@@ -26,8 +26,8 @@
         "pyxdsm",
     ],
     package_data={"pyxdsm": ["*.tex"]},
-    install_requires=["numpy>=1.21"],
-    python_requires=">=3",
+    python_requires=">=3.11",
+    install_requires=["numpy>=1.25"],
     classifiers=[
         "Operating System :: OS Independent",
         "Programming Language :: Python",
diff --git a/tests/test_xdsm.py b/tests/test_xdsm.py
index 9a2def3..6e89b70 100644
--- a/tests/test_xdsm.py
+++ b/tests/test_xdsm.py
@@ -4,7 +4,6 @@
 import tempfile
 import subprocess
 from pyxdsm.XDSM import XDSM, OPT, FUNC, SOLVER, LEFT, RIGHT
-from numpy.distutils.exec_command import find_executable
 
 basedir = os.path.dirname(os.path.abspath(__file__))
 
@@ -44,7 +43,7 @@ def test_examples(self):
             self.assertTrue(os.path.isfile(f + ".tikz"))
             self.assertTrue(os.path.isfile(f + ".tex"))
             # look for the pdflatex executable
-            pdflatex = find_executable("pdflatex") is not None
+            pdflatex = shutil.which("pdflatex") is not None
             # if no pdflatex, then do not assert that the pdf was compiled
             self.assertTrue(not pdflatex or os.path.isfile(f + ".pdf"))
         subprocess.run(["python", "mat_eqn.py"], check=True)
@@ -60,7 +59,7 @@ def test_connect(self):
         try:
             x.connect("D1", "D2", r"\mathcal{R}(y_1)", "foobar")
         except ValueError as err:
-            self.assertEquals(str(err), "label_width argument must be an integer")
+            self.assertEqual(str(err), "label_width argument must be an integer")
         else:
             self.fail("Expected ValueError")