diff --git a/package.json b/package.json
index 2af25e75..d0216de9 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "react-tools": "^0.13.1"
   },
   "dependencies": {
-    "backbone": "^1.1.2",
+    "backbone": "~1.1.2",
     "events": "^1.0.2",
     "flux": "^2.0.1",
     "jquery": "~1.7.3",
diff --git a/src/js/__tests__/base.js b/src/js/__tests__/base.js
index f408991e..5c8547c8 100644
--- a/src/js/__tests__/base.js
+++ b/src/js/__tests__/base.js
@@ -84,7 +84,7 @@ var expectTreeAsync = function(command, expectedJSON, startJSON) {
       console.log(JSON.stringify(getHeadlessSummary(headless)));
     }
     return compareAnswer(headless, expectedJSON);
-  }, 'trees should be equal', 100);
+  }, 'trees should be equal', 400);
 };
 
 var expectLevelSolved = function(levelBlob) {