diff --git a/Gemfile.lock b/Gemfile.lock
index 132cb4a..aa79d65 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,8 +60,8 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     bindex (0.8.1)
     bootsnap (1.7.5)
       msgpack (~> 1.0)
@@ -102,8 +102,10 @@ GEM
     nio4r (2.5.7)
     nokogiri (1.11.5-x86_64-darwin)
       racc (~> 1.4)
+    nokogiri (1.11.5-x86_64-linux)
+      racc (~> 1.4)
     pg (1.2.3)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     puma (5.3.1)
       nio4r (~> 2.0)
     racc (1.5.2)
@@ -197,8 +199,8 @@ GEM
     zeitwerk (2.4.2)
 
 PLATFORMS
-  ruby
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   bootsnap (>= 1.4.4)