diff --git a/.github/workflows/pypi_publish.yml b/.github/workflows/pypi_publish.yml
index a6c9b32..e346489 100644
--- a/.github/workflows/pypi_publish.yml
+++ b/.github/workflows/pypi_publish.yml
@@ -31,7 +31,7 @@ jobs:
           CIBW_ARCHS_MACOS: "x86_64 arm64"
           CIBW_BEFORE_BUILD: |
             pip install --upgrade pip
-            pip install "numpy>=1.26.3,<2.0" "cython>=3.0.8,<4.0"
+            pip install "numpy>=2.0,<3.0" "cython>=3.0.10,<4.0"
           CIBW_BUILD_VERBOSITY: 1
 
       - name: Upload artifact
diff --git a/.github/workflows/test_pypi_publish.yml b/.github/workflows/test_pypi_publish.yml
index 04c9982..a8286d1 100644
--- a/.github/workflows/test_pypi_publish.yml
+++ b/.github/workflows/test_pypi_publish.yml
@@ -33,7 +33,7 @@ jobs:
           CIBW_ARCHS_MACOS: "x86_64 arm64"
           CIBW_BEFORE_BUILD: |
             pip install --upgrade pip
-            pip install "numpy>=1.26.3,<2.0" "cython>=3.0.8,<4.0"
+            pip install "numpy>=2.0,<3.0" "cython>=3.0.10,<4.0"
           CIBW_BUILD_VERBOSITY: 1
 
       - name: Upload artifact
diff --git a/matchmaker/utils/math.py b/matchmaker/utils/math.py
index 0d963ea..6c32708 100644
--- a/matchmaker/utils/math.py
+++ b/matchmaker/utils/math.py
@@ -40,7 +40,7 @@ def discrete_normal_density(x, mu, sigma2, grid, log=False):
         # evaluate the normal density on the grid
         prob = normal_density(grid, mu, sigma2)
         # normalize to have a discrete distribution
-        out = normal_density(x, mu, sigma2) * np.in1d(x, grid) / np.sum(prob)
+        out = normal_density(x, mu, sigma2) * np.isin(x, grid) / np.sum(prob)
     if log:
         out = np.log(out)
     return out
diff --git a/pyproject.toml b/pyproject.toml
index 35f515e..f084c25 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=80.0,<81", "Cython==3.0.8", "numpy>=1.26.3,<2.0", "build", "cibuildwheel"]
+requires = ["setuptools>=80.0,<81", "Cython>=3.0.10,<4.0", "numpy>=2.0,<3.0", "build", "cibuildwheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -29,8 +29,8 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 dependencies = [
-    "cython>=3.0.8",
-    "numpy>=1.26.3,<2.0",
+    "cython>=3.0.10",
+    "numpy>=1.26.3",
     "scipy>=1.11.4",
     "librosa>=0.10.1",
     "pandas>=2.0.0",