diff --git a/Gemfile.lock b/Gemfile.lock
index 68cbee5..992a1e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ PATH
 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)
     colorator (1.1.0)
     concurrent-ruby (1.1.9)
     em-websocket (0.5.2)
@@ -50,7 +50,7 @@ GEM
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     pygments.rb (2.2.0)
     rake (13.0.3)
     rb-fsevent (0.11.0)
@@ -67,6 +67,7 @@ GEM
 
 PLATFORMS
   universal-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   bundler (>= 2.2.10)