diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 77c816b..986b14b 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -26,7 +26,7 @@ jobs:
         # retires on 2 November 2026 with brownouts before. The timeout makes a
         # lost runner fail within minutes instead of holding the run.
         platform: ["ubuntu-latest", "macos-15", "windows-latest"]
-        python_version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        python_version: ["3.11", "3.12", "3.13", "3.14"]
     runs-on: ${{ matrix.platform }}
     timeout-minutes: 15
     name: test ${{ matrix.platform }} (py${{ matrix.python_version }})
@@ -34,7 +34,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python_version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: "${{ matrix.python_version }}"
     - name: Setup pip
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2f72aec..5ec62a8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,8 @@
+New in version 1.7.0:
+
+* req-compile requires Python 3.11 or newer. 3.9 and 3.10 are past their end of life, and GitHub's
+  runner images no longer carry a 3.9 build for every platform the tests run on.
+
 New in version 1.6.5:
 
 * Every target of a wheel repository, the ``py_library`` of the package and of each hub, the ``whl``
diff --git a/req_compile/BUILD.bazel b/req_compile/BUILD.bazel
index 90251de..6c029f1 100644
--- a/req_compile/BUILD.bazel
+++ b/req_compile/BUILD.bazel
@@ -29,8 +29,6 @@ py_wheel_library(
     author_email = "sputt@alumni.iu.edu",
     classifiers = [
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
@@ -55,7 +53,7 @@ py_wheel_library(
     },
     homepage = "https://github.com/periareon/req-compile",
     license = "MIT License",
-    python_requires = ">=3.9",
+    python_requires = ">=3.11",
     repository_url = "https://upload.pypi.org/legacy/",
     summary = "Python requirements compiler",
     version = VERSION,
diff --git a/setup.py b/setup.py
index 26f43dc..e0a0e3e 100644
--- a/setup.py
+++ b/setup.py
@@ -34,11 +34,9 @@ def load_version(path: str) -> str:
             "req-candidates = req_compile.candidates:candidates_main",
         ],
     },
-    python_requires=">=3.9",
+    python_requires=">=3.11",
     classifiers=[
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",