diff --git a/README.md b/README.md
index 128d580..0feeefe 100644
--- a/README.md
+++ b/README.md
@@ -12,3 +12,13 @@ Replaces the built-in WordPress routing logic with one defined by URL patterns.
 $router = MyRouter::getInstance();
 $router->setup();
 ~~~~
+
+### Use with [OOWP](https://github.com/outlandishideas/oowp)
+
+To successfully extend `OowpRouter` and gain router awareness of post objects,
+you should also install OOWP. This is optional if you avoid the
+`Outlandish\Wordpress\Routemaster\Oowp` namespace.
+
+To install it:
+
+    composer require outlandish/oowp
diff --git a/composer.json b/composer.json
index 5c19344..75ba475 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,10 @@
   },
   "require": {
     "php": ">=5.6",
-    "ext-json": "*",
-    "outlandish/oowp": "2.*"
+    "ext-json": "*"
+  },
+  "suggest": {
+    "outlandish/oowp": "To optionally use a post-object-aware version of the router and corresponding views"
   },
   "authors": [
     {