diff --git a/Gemfile.lock b/Gemfile.lock
index 08eb58e..902bfa9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://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)
     axiom-types (0.1.1)
       descendants_tracker (~> 0.0.4)
       ice_nine (~> 0.11.0)
@@ -37,7 +37,7 @@ GEM
     multipart-post (2.1.1)
     oj (3.9.2)
     pbkdf2-ruby (0.2.1)
-    public_suffix (4.0.1)
+    public_suffix (4.0.7)
     safe_yaml (1.0.5)
     telegram-bot-ruby (0.11.0)
       faraday