diff --git a/.gitignore b/.gitignore
index 3c3629e..d2fe157 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,4 @@
+.idea
+*.iml
+
 node_modules
diff --git a/.travis.yml b/.travis.yml
index c86a73a..959c8a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ before_script:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
   - npm install -g grunt-cli
+  - npm install karma-firefox-launcher
   - ln -s .. node_modules/karma-closure
 
 script:
diff --git a/lib/plugin.js b/lib/plugin.js
index 85de9a4..22bcb47 100644
--- a/lib/plugin.js
+++ b/lib/plugin.js
@@ -10,41 +10,39 @@ var initClosureDependencyResolver = function(emitter, fileList, resolver, iit, f
   });
 
   // whenever file list changes, resolve the deps - update files.included
-  emitter.on('file_list_modified', function(promise) {
-    promise.then(function(files) {
-      var includedPaths = files.included.map(function(file) {
-        return file.originalPath;
-      });
-
-      if (iit.isInclusive()) {
-        includedPaths = includedPaths.filter(iit.filter);
-      }
+  emitter.on('file_list_modified', function(files) {
+    var includedPaths = files.included.map(function(file) {
+      return file.originalPath;
+    });
 
-      var resolvedPaths = resolver.resolveFiles(includedPaths);
-      var servedFiles = files.served;
+    if (iit.isInclusive()) {
+      includedPaths = includedPaths.filter(iit.filter);
+    }
 
-      // TODO(vojta): change files.served to be a map, rather than an array
-      files.included = resolvedPaths.map(function(filepath) {
-        for (var i = 0, length = servedFiles.length; i < length; i++) {
-          if (servedFiles[i].originalPath === filepath) {
-            return servedFiles[i];
-          }
+    var resolvedPaths = resolver.resolveFiles(includedPaths);
+    var servedFiles = files.served;
+
+    // TODO(vojta): change files.served to be a map, rather than an array
+    files.included = resolvedPaths.map(function(filepath) {
+      for (var i = 0, length = servedFiles.length; i < length; i++) {
+        if (servedFiles[i].originalPath === filepath) {
+          return servedFiles[i];
         }
+      }
 
-        console.error('NOT SERVED FILE', filepath);
-        var externalFile = {
-          path: filepath,
-          originalPath: filepath,
-          contentPath: filepath,
-          isUrl: false,
-          // TODO(vojta): cache mtime and restat when deps.js changes ?
-          // TODO(votja): use the last synced CL number in google3 ?
-          mtime: new Date()
-        };
-
-        files.served.push(externalFile);
-        return externalFile;
-      });
+      console.error('NOT SERVED FILE', filepath);
+      var externalFile = {
+        path: filepath,
+        originalPath: filepath,
+        contentPath: filepath,
+        isUrl: false,
+        // TODO(vojta): cache mtime and restat when deps.js changes ?
+        // TODO(votja): use the last synced CL number in google3 ?
+        mtime: new Date()
+      };
+
+      files.served.push(externalFile);
+      return externalFile;
     });
   });
 
diff --git a/package.json b/package.json
index 02a9aa5..e53260c 100644
--- a/package.json
+++ b/package.json
@@ -25,12 +25,12 @@
     "grunt-coffeelint": "~0.0.6",
     "grunt-contrib-jshint": "~0.6.0",
     "grunt-simple-mocha": "~0.4.0",
-    "karma": "~0.9.4",
-    "karma-jasmine": "~0.0.1",
+    "karma": "~0.13",
+    "karma-jasmine": "~0.3",
     "grunt-auto-release": "~0.0.3"
   },
   "peerDependencies": {
-    "karma": ">=0.9"
+    "karma": ">=0.13"
   },
   "license": "MIT",
   "contributors": [