diff --git a/horizon/karma.conf.js b/horizon/karma.conf.js
index 91b80f86c3..ea59218cb4 100644
--- a/horizon/karma.conf.js
+++ b/horizon/karma.conf.js
@@ -120,14 +120,14 @@ module.exports = function (config) {
 
     frameworks: ['jasmine'],
 
-    browsers: ['Chrome'],
+    browsers: ['Firefox'],
 
     browserNoActivityTimeout: 60000,
 
     reporters: ['progress', 'coverage', 'threshold'],
 
     plugins: [
-      'karma-chrome-launcher',
+      'karma-firefox-launcher',
       'karma-jasmine',
       'karma-ng-html2js-preprocessor',
       'karma-coverage',
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 98ee6a1413..1f4d613208 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -111,7 +111,7 @@ Routes==2.3.1
 selenium==2.50.1
 semantic-version==2.3.1
 simplejson==3.5.1
-six==1.10.0
+six==1.12.0
 snowballstemmer==1.2.1
 statsd==3.2.1
 stevedore==1.20.0
@@ -124,7 +124,7 @@ unittest2==1.1.0
 vine==1.1.4
 warlock==1.2.0
 WebOb==1.7.1
-wrapt==1.7.0
+wrapt==1.11
 XStatic==1.0.0
 XStatic-Angular==1.5.8.0
 XStatic-Angular-Bootstrap==2.2.0.0
diff --git a/openstack_dashboard/karma.conf.js b/openstack_dashboard/karma.conf.js
index 28e7ee9ce7..2dd2713baf 100644
--- a/openstack_dashboard/karma.conf.js
+++ b/openstack_dashboard/karma.conf.js
@@ -160,14 +160,14 @@ module.exports = function (config) {
 
     frameworks: ['jasmine'],
 
-    browsers: ['Chrome'],
+    browsers: ['Firefox'],
 
     browserNoActivityTimeout: 60000,
 
     reporters: ['progress', 'coverage', 'threshold'],
 
     plugins: [
-      'karma-chrome-launcher',
+      'karma-firefox-launcher',
       'karma-jasmine',
       'karma-ng-html2js-preprocessor',
       'karma-coverage',
diff --git a/package.json b/package.json
index 135295ba86..38c6cd9605 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "eslint-plugin-angular": "1.0.1",
     "jasmine-core": "2.4.1",
     "karma": "1.1.2",
-    "karma-chrome-launcher": "1.0.1",
+    "karma-firefox-launcher": "2.1.0",
     "karma-cli": "1.0.1",
     "karma-coverage": "1.1.1",
     "karma-jasmine": "1.0.2",