diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index e85bb4ba71..a7734de1ae 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -31,7 +31,7 @@ GEM
     mustache (1.1.1)
     netrc (0.11.0)
     parallel (1.24.0)
-    parallel_tests (4.5.0)
+    parallel_tests (4.5.1)
       parallel
     parlour (8.1.0)
       commander (~> 4.5)
@@ -165,8 +165,6 @@ GEM
       yard (>= 0.9)
 
 PLATFORMS
-  aarch64-linux
-  arm-linux
   arm64-darwin
   x86_64-darwin
   x86_64-linux