diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e392a8b252..8495d521b7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -84,7 +84,7 @@ We review as capacity allows — focused PRs that follow this guide move fastest
 | Node.js | 24+ | Required for desktop app commands and `just ci` |
 | pnpm | 10+ | Required for desktop app commands and `just ci` |
 | Flutter | 3.47.7+ | Required for mobile app — install via [flutter.dev](https://docs.flutter.dev/get-started/install) |
-| Xcode | 27.0 recommended; 26 supported | Required for iOS builds; see [iOS toolchain setup](mobile/README.md#ios-toolchain) |
+| Xcode | 27.1 recommended; 26 supported | Required for iOS builds; see [iOS toolchain setup](mobile/README.md#ios-toolchain) |
 | Docker | 24+ | For Postgres, Redis, MinIO |
 | `just` | latest | Task runner — `cargo install just` |
 | `lefthook` | 2.1.3 (Hermit-pinned) | Auto-installed by `just hooks` — no manual install needed |
diff --git a/mobile/README.md b/mobile/README.md
index 0834948104..aa3c3aab58 100644
--- a/mobile/README.md
+++ b/mobile/README.md
@@ -101,7 +101,7 @@ engine all come from the same Flutter version.
 
 ### iOS toolchain
 
-Use Xcode 27.0 for iOS development and build validation on an Apple silicon
+Use Xcode 27.1 for iOS development and build validation on an Apple silicon
 Mac running macOS Tahoe 26.6 or later, as required by the
 [Xcode 27 release notes](https://developer.apple.com/documentation/xcode-release-notes/xcode-27-release-notes).
 On Intel Macs or hosts that cannot meet those requirements, use a compatible
@@ -112,7 +112,7 @@ When multiple Xcode versions are installed, select the intended version for
 the command with `DEVELOPER_DIR`, for example:
 
 ```bash
-DEVELOPER_DIR=/Applications/Xcode-27.0.0.app/Contents/Developer xcodebuild -version
+DEVELOPER_DIR=/Applications/Xcode-27.1.0.app/Contents/Developer xcodebuild -version
 ```
 
 Adjust the path to your installation. Keep the compiler and SDK from the same