diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6703787..30b16b0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v6
diff --git a/pyproject.toml b/pyproject.toml
index d6a27a3..e896e3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ authors = [
     { name = "Shuntaro C. Aoki", email = "s_aoki@i.kyoto-u.ac.jp" }
 ]
 readme = "README.md"
-requires-python = ">= 3.8, < 3.12"
+requires-python = ">= 3.8, < 3.14"
 license = { file = "LICENSE" }
 keywords = ["neuroscience", "neuroimaging", "brain decoding", "fmri", "machine learning"]