diff --git a/Gemfile.lock b/Gemfile.lock
index 2c4c23d..324700c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     ast (2.4.2)
     base64 (0.2.0)
     bigdecimal (3.1.8)
@@ -43,7 +43,7 @@ GEM
       racc
     psych (5.1.2)
       stringio
-    public_suffix (6.0.1)
+    public_suffix (5.1.1)
     racc (1.8.1)
     rack (2.2.10)
     rack-protection (2.2.4)