diff --git a/conda/environments/all_cuda-114_arch-x86_64.yaml b/conda/environments/all_cuda-114_arch-x86_64.yaml
index e451fba6..1ece978e 100644
--- a/conda/environments/all_cuda-114_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-114_arch-x86_64.yaml
@@ -23,7 +23,7 @@ dependencies:
 - pynvml>=11.0.0,<11.5
 - pytest
 - pytest-cov
-- python>=3.9,<3.12
+- python>=3.10,<3.12
 - rapids-build-backend>=0.3.0,<0.4.0dev0
 - rapids-dask-dependency==24.10.*,>=0.0.0a0
 - setuptools>=64.0.0
diff --git a/conda/environments/all_cuda-118_arch-x86_64.yaml b/conda/environments/all_cuda-118_arch-x86_64.yaml
index 6b55e5d0..542865b1 100644
--- a/conda/environments/all_cuda-118_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-118_arch-x86_64.yaml
@@ -23,7 +23,7 @@ dependencies:
 - pynvml>=11.0.0,<11.5
 - pytest
 - pytest-cov
-- python>=3.9,<3.12
+- python>=3.10,<3.12
 - rapids-build-backend>=0.3.0,<0.4.0dev0
 - rapids-dask-dependency==24.10.*,>=0.0.0a0
 - setuptools>=64.0.0
diff --git a/conda/environments/all_cuda-125_arch-x86_64.yaml b/conda/environments/all_cuda-125_arch-x86_64.yaml
index 309cede7..adb85895 100644
--- a/conda/environments/all_cuda-125_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-125_arch-x86_64.yaml
@@ -24,7 +24,7 @@ dependencies:
 - pynvml>=11.0.0,<11.5
 - pytest
 - pytest-cov
-- python>=3.9,<3.12
+- python>=3.10,<3.12
 - rapids-build-backend>=0.3.0,<0.4.0dev0
 - rapids-dask-dependency==24.10.*,>=0.0.0a0
 - setuptools>=64.0.0
diff --git a/dependencies.yaml b/dependencies.yaml
index ea113497..97cd5f48 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -134,10 +134,6 @@ dependencies:
     specific:
       - output_types: conda
         matrices:
-          - matrix:
-              py: "3.9"
-            packages:
-              - python=3.9
           - matrix:
               py: "3.10"
             packages:
@@ -148,7 +144,7 @@ dependencies:
               - python=3.11
           - matrix:
             packages:
-              - python>=3.9,<3.12
+              - python>=3.10,<3.12
   run_python:
     common:
       - output_types: [conda, requirements, pyproject]
diff --git a/pyproject.toml b/pyproject.toml
index 90e20a87..9238ca66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ authors = [
     { name = "NVIDIA Corporation" },
 ]
 license = { text = "Apache 2.0" }
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "click >=8.1",
     "numba>=0.57",
@@ -30,7 +30,6 @@ classifiers = [
     "Topic :: Scientific/Engineering",
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
 ]