diff --git a/gc2-ios/Gemfile.lock b/gc2-ios/Gemfile.lock
index 32e48f6..6abdc12 100644
--- a/gc2-ios/Gemfile.lock
+++ b/gc2-ios/Gemfile.lock
@@ -24,7 +24,8 @@ GEM
     activesupport (3.2.12)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    addressable (2.3.3)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     cocoapods (0.16.4)
       activesupport (~> 3.2.6)
       colored (~> 1.2)
@@ -57,6 +58,7 @@ GEM
       multi_json (~> 1.3)
       netrc (~> 0.7.7)
     open4 (1.3.0)
+    public_suffix (4.0.6)
     rake (10.0.3)
     thor (0.17.0)
     xcodeproj (0.5.1)