diff --git a/pyproject.toml b/pyproject.toml
index 48157d4..d61e3b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "numpy>=1.24.0",
     "ffmpeg-python>=0.2.0",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.12"
 readme = "README.md"
 license = {text = "MIT"}
 
@@ -29,7 +29,7 @@ requires = ["hatchling"]
 build-backend = "hatchling.build"
 
 [tool.ruff]
-target-version = "py39"
+target-version = "py312"
 line-length = 88
 
 [tool.ruff.lint]