diff --git a/Gemfile.lock b/Gemfile.lock
index 1f75daa..460e856 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ansi (1.5.0)
     daemons (1.3.1)
     diff-lcs (1.3)
@@ -12,7 +12,6 @@ GEM
     faraday (1.0.1)
       multipart-post (>= 1.2, < 3)
     ffi (1.12.2)
-    ipaddr (1.2.2)
     json (2.3.0)
     jwt (2.2.1)
     listen (3.2.1)
@@ -26,8 +25,7 @@ GEM
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     openssl (2.1.2)
-      ipaddr
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack