diff --git a/cpp/src/wholememory/communicator.cpp b/cpp/src/wholememory/communicator.cpp
index 86e78c0..dabb9ba 100644
--- a/cpp/src/wholememory/communicator.cpp
+++ b/cpp/src/wholememory/communicator.cpp
@@ -1065,4 +1065,4 @@ wholememory_error_code_t communicator_set_distributed_backend(
     WHOLEMEMORY_FAIL_NOTHROW("Unknown exception.");
   }
 }
-}  // namespace wholememory
\ No newline at end of file
+}  // namespace wholememory
diff --git a/dependencies.yaml b/dependencies.yaml
index aa00cd9..5cc10af 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -231,10 +231,6 @@ dependencies:
     specific:
       - output_types: [conda]
         matrices:
-          - matrix:
-              py: "3.9"
-            packages:
-              - python=3.9
           - matrix:
               py: "3.10"
             packages:
@@ -245,7 +241,7 @@ dependencies:
               - python=3.11
           - matrix:
             packages:
-              - python>=3.9,<3.12
+              - python>=3.10,<3.12
   python_build_wheel:
     common:
       - output_types: [conda, pyproject, requirements]
diff --git a/python/cugraph-dgl/pyproject.toml b/python/cugraph-dgl/pyproject.toml
index 2f90fe8..b81f9a4 100644
--- a/python/cugraph-dgl/pyproject.toml
+++ b/python/cugraph-dgl/pyproject.toml
@@ -17,7 +17,7 @@ authors = [
     { name = "NVIDIA Corporation" },
 ]
 license = { text = "Apache 2.0" }
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
     "Intended Audience :: Developers",
     "Programming Language :: Python",
diff --git a/python/cugraph-pyg/pyproject.toml b/python/cugraph-pyg/pyproject.toml
index 6b6a325..d9b9f32 100644
--- a/python/cugraph-pyg/pyproject.toml
+++ b/python/cugraph-pyg/pyproject.toml
@@ -18,11 +18,10 @@ authors = [
     { name = "NVIDIA Corporation" },
 ]
 license = { text = "Apache 2.0" }
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
     "Intended Audience :: Developers",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
 ]
diff --git a/python/pylibwholegraph/pyproject.toml b/python/pylibwholegraph/pyproject.toml
index 20b0b3a..3539115 100644
--- a/python/pylibwholegraph/pyproject.toml
+++ b/python/pylibwholegraph/pyproject.toml
@@ -27,15 +27,11 @@ authors = [
     { name = "NVIDIA Corporation" },
 ]
 license = { text = "Apache 2.0" }
-requires-python = ">=3.6"
+requires-python = ">=3.10"
 classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.6",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
 ]