diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 106d1eadbb..c7c5c88f0d 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -46,7 +46,7 @@ GEM
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (6.0.0)
+    public_suffix (6.0.1)
     racc (1.8.0)
     rainbow (3.1.1)
     rbi (0.1.14)
@@ -148,7 +148,6 @@ GEM
 
 PLATFORMS
   aarch64-linux
-  arm-linux
   arm64-darwin
   x86_64-darwin
   x86_64-linux