diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ce255ee..f8dc34c 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -24,7 +24,7 @@ jobs:
         command: build
         target: ${{ matrix.target }}
         # https://github.com/PyO3/maturin-action/issues/56
-        args: --release --sdist -o dist --interpreter 3.9 3.10 3.11 3.12 pypy3.9 pypy3.10
+        args: --release --sdist -o dist --interpreter 3.9 3.10 3.11 3.12 3.13 3.14 pypy3.9 pypy3.10
     - name: Upload wheels
       uses: actions/upload-artifact@v4
       with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9f18be0..a3dc86e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/Cargo.lock b/Cargo.lock
index 4e42d08..bd69bc8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,12 +8,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -67,11 +61,10 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.24.2"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5203598f366b11a02b13aa20cab591229ff0a89fd121a308a5df751d5fc9219"
+checksum = "8970a78afe0628a3e3430376fc5fd76b6b45c4d43360ffd6cdd40bdde72b682a"
 dependencies = [
- "cfg-if",
  "indoc",
  "libc",
  "memoffset",
@@ -85,9 +78,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.24.2"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99636d423fa2ca130fa5acde3059308006d46f98caac629418e53f7ebb1e9999"
+checksum = "458eb0c55e7ece017adeba38f2248ff3ac615e53660d7c71a238d7d2a01c7598"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -95,9 +88,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.24.2"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78f9cf92ba9c409279bc3305b5409d90db2d2c22392d443a87df3a1adad59e33"
+checksum = "7114fe5457c61b276ab77c5055f206295b812608083644a5c5b2640c3102565c"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -105,9 +98,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.24.2"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b999cb1a6ce21f9a6b147dcf1be9ffedf02e0043aec74dc390f3007047cecd9"
+checksum = "a8725c0a622b374d6cb051d11a0983786448f7785336139c3c94f5aa6bef7e50"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -117,9 +110,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.24.2"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "822ece1c7e1012745607d5cf0bcb2874769f0f7cb34c4cde03b9358eb9ef911a"
+checksum = "4109984c22491085343c05b0dbc54ddc405c3cf7b4374fc533f5c3313a572ccc"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 7f6f304..85aa86c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ name = "shin"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.24", features = ["extension-module"] }
+pyo3 = { version = "0.25", features = ["extension-module"] }
 
 [package.metadata.maturin]
 python-source = "python"
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index a513225..7dbee21 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,7 @@ classifiers = [
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent"
 ]