diff --git a/Gemfile.lock b/Gemfile.lock
index b9756ef..bc38672 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     stp_client (0.4.3)
-      crypto_yellowme (~> 0.4)
+      crypto_yellowme (>= 0.4)
       faraday (~> 1.0)
 
 GEM
@@ -15,8 +15,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     bcrypt (3.1.13)
     concurrent-ruby (1.1.6)
     crack (0.4.3)
@@ -37,7 +37,7 @@ GEM
     json (2.3.0)
     minitest (5.14.1)
     multipart-post (2.1.1)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)