diff --git a/CHANGELOG.md b/CHANGELOG.md
index e589891..f884eeb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- **Changed.** Accepts `rasuvaeff/openapi-contract` `^0.10` alongside `^0.8`
+  and `^0.9`. 0.10 bounds what a document expands into (`Limits::$documentNodes`,
+  which the generator never builds documents large enough to reach) and finds
+  operations through a route index instead of a scan; neither changes how a
+  document compiles or how a message is judged, and this suite is green against
+  every line it declares.
+
 - **Changed.** Accepts `rasuvaeff/openapi-contract` `^0.9` alongside `^0.8`.
   0.9 narrows the contract's public surface — `Operation::__construct()` is
   `@internal` and the byte budgets moved from `Contract::MAX_*` constants to a
diff --git a/composer.json b/composer.json
index 3b5e881..4a8d099 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "psr/http-factory": "^1.1",
         "psr/http-message": "^1.1 || ^2.0",
         "psr/http-server-handler": "^1.0",
-        "rasuvaeff/openapi-contract": "^0.8 || ^0.9",
+        "rasuvaeff/openapi-contract": "^0.8 || ^0.9 || ^0.10",
         "rasuvaeff/property-testing-core": "^0.5 || ^0.6"
     },
     "require-dev": {