diff --git a/edx_specs/Gemfile.lock b/edx_specs/Gemfile.lock
index 91a74d75ca..e4eebce5db 100644
--- a/edx_specs/Gemfile.lock
+++ b/edx_specs/Gemfile.lock
@@ -1,7 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.2)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     capybara (1.1.2)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -48,6 +49,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.3.1)
+    public_suffix (5.0.0)
     racc (1.5.2)
     rack (1.4.1)
     rack-test (0.6.1)