diff --git a/Gemfile.lock b/Gemfile.lock
index ab7412b74..a34f8081f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     atomos (0.1.3)
     claide (1.0.3)
     cocoapods (1.7.5)
@@ -62,7 +62,7 @@ GEM
     netrc (0.11.0)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
-    public_suffix (3.1.1)
+    public_suffix (5.0.0)
     rake (12.3.3)
     rouge (2.0.7)
     ruby-macho (1.4.0)