diff --git a/contract-tests/index.js b/contract-tests/index.js
index 0ff6e4e..2b7124c 100644
--- a/contract-tests/index.js
+++ b/contract-tests/index.js
@@ -26,6 +26,7 @@ app.get('/', (req, res) => {
       'user-type',
       'inline-context',
       'anonymous-redaction',
+      'client-prereq-events',
     ],
   });
 });
diff --git a/package.json b/package.json
index 41aeb96..748429f 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
   },
   "dependencies": {
     "launchdarkly-eventsource": "2.0.3",
-    "launchdarkly-js-sdk-common": "5.2.0",
+    "launchdarkly-js-sdk-common": "5.4.0",
     "node-localstorage": "^1.3.1"
   },
   "repository": {