diff --git a/.ci/docker/build.sh b/.ci/docker/build.sh
index be85fdcb542d..8672fae2bbdd 100755
--- a/.ci/docker/build.sh
+++ b/.ci/docker/build.sh
@@ -262,13 +262,10 @@ case "$tag" in
     TRITON_CPU=yes
     ;;
   pytorch-linux-jammy-linter)
-    # TODO: Use 3.9 here because of this issue https://github.com/python/mypy/issues/13627.
-    # We will need to update mypy version eventually, but that's for another day. The task
-    # would be to upgrade mypy to 1.0.0 with Python 3.11
-    PYTHON_VERSION=3.9
+    PYTHON_VERSION=3.10
     ;;
-  pytorch-linux-jammy-cuda12.8-cudnn9-py3.9-linter)
-    PYTHON_VERSION=3.9
+  pytorch-linux-jammy-cuda12.8-cudnn9-py3.10-linter)
+    PYTHON_VERSION=3.10
     CUDA_VERSION=12.8.1
     ;;
   pytorch-linux-jammy-aarch64-py3.10-gcc11)
diff --git a/.github/workflows/docker-builds.yml b/.github/workflows/docker-builds.yml
index e44484e0ddd2..272a2d1c691d 100644
--- a/.github/workflows/docker-builds.yml
+++ b/.github/workflows/docker-builds.yml
@@ -70,7 +70,7 @@ jobs:
           pytorch-linux-jammy-py3-clang18-asan,
           pytorch-linux-jammy-py3-clang12-onnx,
           pytorch-linux-jammy-linter,
-          pytorch-linux-jammy-cuda12.8-cudnn9-py3.9-linter,
+          pytorch-linux-jammy-cuda12.8-cudnn9-py3.10-linter,
           pytorch-linux-jammy-py3-clang12-executorch,
           pytorch-linux-jammy-py3.12-triton-cpu,
           pytorch-linux-noble-riscv64-py3.12-gcc14
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b1a6dfb39071..fa54f7d6d50b 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -53,7 +53,7 @@ jobs:
     with:
       timeout: 120
       runner: "${{ needs.get-label-type.outputs.label-type }}linux.2xlarge"
-      docker-image: ci-image:pytorch-linux-jammy-cuda12.8-cudnn9-py3.9-linter
+      docker-image: ci-image:pytorch-linux-jammy-cuda12.8-cudnn9-py3.10-linter
       # NB: A shallow checkout won't work here because calculate-docker-image requires a full checkout
       # to run git rev-parse HEAD~:.ci/docker when a new image is needed
       fetch-depth: 0
@@ -264,10 +264,10 @@ jobs:
         with:
           submodules: false
           fetch-depth: 1
-      - name: Setup Python 3.9
+      - name: Setup Python 3.10
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
-          python-version: '3.9'
+          python-version: '3.10'
           architecture: x64
           cache: pip
       - name: Install dependencies
diff --git a/pyproject.toml b/pyproject.toml
index 874c629273d7..154aea13ef6a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ dev = [
 name = "torch"
 description = "Tensors and Dynamic neural networks in Python with strong GPU acceleration"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 # TODO: change to `license = "BSD-3-Clause"` and enable PEP 639 after pinning setuptools>=77
 # FIXME: As of 2025.06.20, it is hard to ensure the minimum version of setuptools in our CI environment.
 # TOML-table-based license deprecated in setuptools>=77, and the deprecation warning will be changed
@@ -74,7 +74,6 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Programming Language :: C++",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -185,6 +184,13 @@ ignore = [
     "UP007", # keep-runtime-typing
     "UP045", # keep-runtime-typing
     "TC006",
+    # TODO: Remove Python-3.10 specific suppressions
+    "B905",
+    "UP035",
+    "UP036",
+    "UP038",
+    "UP041",
+    "FURB161",
 ]
 select = [
     "B",
diff --git a/setup.py b/setup.py
index 2bb63a93cec8..d0f8c2eba72a 100644
--- a/setup.py
+++ b/setup.py
@@ -256,7 +256,7 @@ import platform
 
 
 # Also update `project.requires-python` in pyproject.toml when changing this
-python_min_version = (3, 9, 0)
+python_min_version = (3, 10, 0)
 python_min_version_str = ".".join(map(str, python_min_version))
 if sys.version_info < python_min_version:
     print(