diff --git a/.github/workflows/ci-tsdownsample.yml b/.github/workflows/ci-tsdownsample.yml
index 859bbfa..96d58a4 100644
--- a/.github/workflows/ci-tsdownsample.yml
+++ b/.github/workflows/ci-tsdownsample.yml
@@ -46,7 +46,7 @@ jobs:
       matrix:
         os: ['windows-latest', 'macOS-latest', 'ubuntu-latest']
         rust: ['nightly']  # ['stable', 'beta']
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         exclude:  # Python < 3.8 is not supported on Apple Silicon ARM64
           - os: macOS-latest
             python-version: '3.7'
diff --git a/Cargo.toml b/Cargo.toml
index 184e8c8..b0b2335 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,8 +9,8 @@ license = "MIT"
 
 [dependencies]
 downsample_rs = { path = "downsample_rs", features = ["half"]}
-pyo3 = { version = "0.20", features = ["extension-module"] }
-numpy = { version = "0.20", features = ["half"] }
+pyo3 = { version = "0.22", features = ["extension-module"] }
+numpy = { version = "0.22", features = ["half"] }
 half = { version = "2.3.1", default-features = false }
 paste = { version = "1.0.14", default-features = false }
 
diff --git a/pyproject.toml b/pyproject.toml
index 074b23c..1695f9a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ classifiers = [
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
     'Operating System :: POSIX',
     'Operating System :: MacOS :: MacOS X',
     'Operating System :: Microsoft :: Windows'