diff --git a/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb b/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb
index e0c44fad14..3caf75982b 100644
--- a/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb
+++ b/Library/Homebrew/dev-cmd/bump-unversioned-casks.rb
@@ -91,7 +91,9 @@ 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 462d43990a..0f68c67a10 100644
--- a/Library/Homebrew/unversioned_cask_checker.rb
+++ b/Library/Homebrew/unversioned_cask_checker.rb
@@ -31,6 +31,11 @@ module Homebrew
       @apps ||= @cask.artifacts.select { |a| a.is_a?(Cask::Artifact::App) }
     end
 
+    sig { returns(T::Array[Cask::Artifact::Qlplugin]) }
+    def qlplugins
+      @qlplugins ||= @cask.artifacts.select { |a| a.is_a?(Cask::Artifact::Qlplugin) }
+    end
+
     sig { returns(T::Array[Cask::Artifact::Pkg]) }
     def pkgs
       @pkgs ||= @cask.artifacts.select { |a| a.is_a?(Cask::Artifact::Pkg) }
@@ -41,6 +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
@@ -78,8 +88,8 @@ module Homebrew
 
         installer.extract_primary_container(to: dir)
 
-        info_plist_paths = apps.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)
@@ -112,8 +122,8 @@ module Homebrew
 
     sig { returns(T.nilable(String)) }
     def guess_cask_version
-      if apps.empty? && pkgs.empty?
-        opoo "Cask #{cask} does not contain any apps or PKG installers."
+      if apps.empty? && pkgs.empty? && qlplugins.empty?
+        opoo "Cask #{cask} does not contain any apps, qlplugins or PKG installers."
         return
       end