diff --git a/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb b/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb
index e0c44fad14..c5261809b9 100644
--- a/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb
+++ b/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb
@@ -91,7 +91,7 @@ module Homebrew
 
     unversioned_cask_checker = UnversionedCaskChecker.new(cask)
 
-    if !unversioned_cask_checker.single_app_cask? && !unversioned_cask_checker.single_pkg_cask?
+    if !unversioned_cask_checker.single_app_cask? && !unversioned_cask_checker.single_pkg_cask? && !unversioned_cask_checker.single_qlplugin_cask?
       opoo "Skipping, not a single-app or PKG cask."
       return
     end
diff --git a/Library/Homebrew/unversioned_cask_checker.rb b/Library/Homebrew/unversioned_cask_checker.rb
index 82a16aeec2..836d097a1b 100644
--- a/Library/Homebrew/unversioned_cask_checker.rb
+++ b/Library/Homebrew/unversioned_cask_checker.rb
@@ -46,6 +46,11 @@ module Homebrew
       apps.count == 1
     end
 
+    sig { returns(T::Boolean) }
+    def single_qlplugin_cask?
+      qlplugins.count == 1
+    end
+
     sig { returns(T::Boolean) }
     def single_pkg_cask?
       pkgs.count == 1
@@ -83,8 +88,8 @@ module Homebrew
 
         installer.extract_primary_container(to: dir)
 
-        info_plist_paths = (apps + qlplugins).flat_map do |app|
-          top_level_info_plists(Pathname.glob(dir/"**"/app.source.basename/"Contents"/"Info.plist")).sort
+        info_plist_paths = (apps.concat(qlplugins)).flat_map do |artifact|
+          top_level_info_plists(Pathname.glob(dir/"**"/artifact.source.basename/"Contents"/"Info.plist")).sort
         end
 
         info_plist_paths.each(&parse_info_plist)