diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c08767e..9359f3d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,3 +34,19 @@ jobs:
       # and pinning those to the oldest supported toolchain is not useful.
       - uses: dtolnay/rust-toolchain@1.88.0
       - run: cargo test
+
+  stable:
+    name: Latest stable (advisory)
+    runs-on: ubuntu-latest
+    # Advisory only. The pinned `test` job is the gate; this one exists so
+    # that a new stable release breaking the build or firing a new clippy
+    # lint is visible before the pin moves, without failing a pull request
+    # that did not cause it. Check it when bumping `devVersion`.
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - run: cargo test
+      - run: cargo clippy --all-targets -- -D warnings
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf8b4b9..4597efc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - A declared minimum supported Rust version of **1.88**, verified by running
   the test suite against it. The floor comes from the dependency graph
   (`reqwest` → `url` → `idna` → `icu_*`), not from this crate's own code.
-  CI builds on both the MSRV and the pinned dev toolchain.
+  CI builds on both the MSRV and the pinned dev toolchain, plus an advisory
+  job on latest stable that reports breakage from a new Rust release
+  without gating pull requests.
 - Wrappers for every one of the API's 34 `Route::resource` groups, plus
   `users` — 265 methods. See `COVERAGE.md` for the per-endpoint inventory.
 - `COVERAGE.md`, a detailed record of what is wrapped, what is not, and why,
diff --git a/CLAUDE.md b/CLAUDE.md
index 03bdb09..d20be02 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -23,6 +23,13 @@ Two versions are pinned, and **three places must agree** when either moves:
 | Dev toolchain | 1.99.1 | `devVersion` in `flake.nix`, `test` job in `ci.yml` |
 | MSRV | 1.88 | `msrvVersion` in `flake.nix`, `rust-version` in `Cargo.toml`, `msrv` job in `ci.yml` |
 
+CI has a third job, `stable`, which tracks latest stable and is marked
+`continue-on-error`. It is **advisory, not a gate**: it exists so a new
+Rust release that breaks the build or fires a new clippy lint shows up
+before the pin moves, without failing a pull request that did not cause it.
+Check it when bumping `devVersion` — if it is red, the bump needs work
+first. Nothing needs to stay in sync with it.
+
 The MSRV is set by the **dependency graph**, not by this crate's code:
 `reqwest` pulls in `url` → `idna` → `idna_adapter` → `icu_*`, and the `icu`
 crates require 1.88. Recheck the floor after a dependency bump with: