diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 621affa..a690eca 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -66,7 +66,7 @@ jobs:
         strategy:
             matrix:
                 os: [ubuntu-latest, macos-latest]   # eventually add `windows-latest`
-                python-version: [3.9, "3.10", "3.11", "3.12", "3.13"]
+                python-version: ["3.10", "3.11", "3.12", "3.13"]
 
         env:
           GITHUB_ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/pyproject.toml b/pyproject.toml
index 88a92f9..d0fa622 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ write_to = "ape_vyper/version.py"
 
 [tool.black]
 line-length = 100
-target-version = ['py39', 'py310', 'py311', 'py312', 'py313']
+target-version = ['py310', 'py311', 'py312', 'py313']
 include = '\.pyi?$'
 
 [tool.pytest.ini_options]
diff --git a/setup.py b/setup.py
index c660e64..1aef835 100644
--- a/setup.py
+++ b/setup.py
@@ -69,7 +69,7 @@
         "vvm>=0.2.0,<0.3",
         "vyper>=0.3.7,<0.5",
     ],
-    python_requires=">=3.9,<4",
+    python_requires=">=3.10,<4",
     extras_require=extras_require,
     py_modules=["ape_vyper"],
     entry_points={
@@ -90,7 +90,6 @@
         "Operating System :: MacOS",
         "Operating System :: POSIX",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",