diff --git a/README.md b/README.md
index 54c2a44..bbedbe8 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ with its CIS result and SBOM attached (NetOrk/netork#1390).
 ```
 
 The judge action reads `cis.toml` and `packages.allow` from the working directory by default.
-The runner needs Docker, Python 3.11 or newer, and `curl`; cosign is installed by the actions,
+The runner needs Docker, Python 3.12 or newer, and `curl`; cosign is installed by the actions,
 pinned and checked against its release checksum (`bin/install-cosign.sh`).
 
 ## Verifying an image yourself
diff --git a/pyproject.toml b/pyproject.toml
index 512e30c..de0238d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "image-tools"
 version = "0.1.0"
 description = "Judge, sign and verify netOrk container images"
-requires-python = ">=3.11"
+requires-python = ">=3.12"
 license = "MIT"
 
 [build-system]