diff --git a/.github/workflows/pypi-release.yaml b/.github/workflows/pypi-release.yaml
index ecd4fb4..06f8243 100644
--- a/.github/workflows/pypi-release.yaml
+++ b/.github/workflows/pypi-release.yaml
@@ -32,7 +32,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
-          python-version: "3.10"
+          python-version: "3.12"
 
       - name: Install dependencies
         run: |
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c0c9d29..def2513 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -25,7 +25,7 @@ repos:
     hooks:
       - id: pyupgrade
         args:
-          - "--py310-plus"
+          - "--py312-plus"
 
   - repo: https://github.com/keewis/blackdoc
     rev: v0.4.6
diff --git a/ci/doc.yml b/ci/doc.yml
index 445bdcc..88bdec8 100644
--- a/ci/doc.yml
+++ b/ci/doc.yml
@@ -4,7 +4,7 @@ channels:
 dependencies:
   - cupy-core!=14.0.0,!=14.0.1 # https://github.com/cupy/cupy/issues/9777
   - pip
-  - python=3.10
+  - python=3.12
   - sphinx
   - sphinx-design
   - sphinx-copybutton
diff --git a/pyproject.toml b/pyproject.toml
index 0b740cd..d028ee0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,15 +9,15 @@ authors = [{name = "cupy-xarray developers"}]
 license = "Apache-2.0"
 license-files = ["LICENSE"]
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.12"
 classifiers = [
     "Programming Language :: Python :: 3",
     "Operating System :: OS Independent",
 ]
-dynamic = ["version"]
 dependencies = [
-    "xarray>=2024.02.0",
+    "xarray>=2024.7.0",
 ]
+dynamic = ["version"]
 
 [project.optional-dependencies]