diff --git a/Library/Homebrew/dev-cmd/pr-upload.rb b/Library/Homebrew/dev-cmd/pr-upload.rb
index 6dbab64852..971a191e72 100644
--- a/Library/Homebrew/dev-cmd/pr-upload.rb
+++ b/Library/Homebrew/dev-cmd/pr-upload.rb
@@ -92,6 +92,8 @@ module Homebrew
     odie "No bottle JSON files found in the current working directory" if json_files.blank?
     bottles_hash = bottles_hash_from_json_files(json_files, args)
 
+    Homebrew.install_bundler_gems!(groups: ["pr_upload"])
+
     unless args.upload_only?
       bottle_args = ["bottle", "--merge", "--write"]
       bottle_args << "--verbose" if args.verbose?
@@ -125,8 +127,6 @@ module Homebrew
 
       check_bottled_formulae!(bottles_hash)
 
-      Homebrew.install_bundler_gems!(groups: ["pr_upload", "style"])
-
       safe_system HOMEBREW_BREW_FILE, *bottle_args
 
       json_files = Dir["*.bottle.json"]