diff --git a/Cargo.toml b/Cargo.toml
index 79a49c0..7f46a32 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,5 +12,4 @@ frequenz-resampling = "0.3.0"
 pyo3 = { version = "0.27", features = [
   "extension-module",
   "chrono",
-  "abi3-py311",
 ] }
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 8dbfe5e..f58ddea 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -33,6 +33,12 @@ expanded tests and CI to validate the compiled package workflow.
   environments.
 - Expand repository docs (`README.md`, `AGENTS.md`) for the new architecture.
 
+## Build Changes
+
+- Switch from a single abi3-compatible wheel to per-Python-version wheels
+  (`cp311`, `cp312`, `cp313`, `cp314`). This removes the `abi3-py311` PyO3
+  feature so each supported Python version gets its own compiled wheel.
+
 ## Bug Fixes
 
 - Fix docs and tooling source path assumptions from `src/` to `frequenz/` for