diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9f803ece4a..f6eff674de 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -6,7 +6,7 @@ orbs:
 jobs:
   build_doc:
     docker:
-      - image: cimg/python:3.12
+      - image: cimg/python:3.13
     steps:
       - checkout
       - run:
diff --git a/.github/workflows/Linux_CI.yml b/.github/workflows/Linux_CI.yml
index 7b3dc14751..907d36452d 100644
--- a/.github/workflows/Linux_CI.yml
+++ b/.github/workflows/Linux_CI.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.12' ]
+        python-version: [ '3.13' ]
 
     name: Python ${{ matrix.python-version }} CI
 
diff --git a/.github/workflows/MacOS_CI.yml b/.github/workflows/MacOS_CI.yml
index 5ea15ac72e..03db65f43d 100644
--- a/.github/workflows/MacOS_CI.yml
+++ b/.github/workflows/MacOS_CI.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: [ '3.12' ]
+        python-version: [ '3.13' ]
     name: Python ${{ matrix.python-version }} CI
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/Windows_CI.yml b/.github/workflows/Windows_CI.yml
index b9c8dea649..5cb19699b2 100644
--- a/.github/workflows/Windows_CI.yml
+++ b/.github/workflows/Windows_CI.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: [ '3.12' ]
+        python-version: [ '3.13' ]
     name: Python ${{ matrix.python-version }} CI
     steps:
       - uses: actions/checkout@v4
diff --git a/README.md b/README.md
index 9e605435ce..6d04c90bc8 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ or this paper for more details:
 
 For running each sample code:
 
-- [Python 3.12.x](https://www.python.org/)
+- [Python 3.13.x](https://www.python.org/)
  
 - [NumPy](https://numpy.org/)
  
diff --git a/appveyor.yml b/appveyor.yml
index 05ad8a2820..72d89acf11 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,7 +8,7 @@ environment:
     CMD_IN_ENV: "cmd /E:ON /V:ON /C .\\appveyor\\run_with_env.cmd"
 
   matrix:
-     - PYTHON_DIR: C:\Python310-x64
+     - PYTHON_DIR: C:\Python313-x64
 
 branches:
   only:
diff --git a/docs/modules/0_getting_started/3_how_to_contribute_main.rst b/docs/modules/0_getting_started/3_how_to_contribute_main.rst
index 30e3001f36..0325aaacae 100644
--- a/docs/modules/0_getting_started/3_how_to_contribute_main.rst
+++ b/docs/modules/0_getting_started/3_how_to_contribute_main.rst
@@ -26,7 +26,7 @@ to understand the philosophies of this project.
 Check your Python version.
 ---------------------------
 
-We only accept a PR for Python 3.12.x or higher.
+We only accept a PR for Python 3.13.x or higher.
 
 We will not accept a PR for Python 2.x.
 
diff --git a/requirements/environment.yml b/requirements/environment.yml
index afbb3fb8ce..023a3d75bf 100644
--- a/requirements/environment.yml
+++ b/requirements/environment.yml
@@ -2,7 +2,7 @@ name: python_robotics
 channels:
   - conda-forge
 dependencies:
-  - python=3.12
+  - python=3.13
   - pip
   - scipy
   - numpy
diff --git a/ruff.toml b/ruff.toml
index 5823ca3db7..d76b715a06 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -5,8 +5,8 @@ ignore = ["E501", "E741", "E402"]
 exclude = [
 ]
 
-# Assume Python 3.11
-target-version = "py312"
+# Assume Python 3.13
+target-version = "py313"
 
 [per-file-ignores]