diff --git a/Gemfile.lock b/Gemfile.lock
index 36be3db416d..76e000945df 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -694,7 +694,7 @@ GEM
     loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    lookbook (2.2.1)
+    lookbook (2.2.2)
       activemodel
       css_parser
       htmlbeautifier (~> 1.3)
@@ -704,7 +704,7 @@ GEM
       redcarpet (~> 3.5)
       rouge (>= 3.26, < 5.0)
       view_component (>= 2.0)
-      yard (~> 0.9.25)
+      yard (~> 0.9)
       zeitwerk (~> 2.5)
     mail (2.8.1)
       mini_mime (>= 0.1.1)
diff --git a/lib/open_project/patches/lookbook_tree_node_inflector.rb b/lib/open_project/patches/lookbook_tree_node_inflector.rb
index e727680c13d..016756a54c6 100644
--- a/lib/open_project/patches/lookbook_tree_node_inflector.rb
+++ b/lib/open_project/patches/lookbook_tree_node_inflector.rb
@@ -41,7 +41,7 @@ module OpenProject
 end
 
 if Rails.env.development?
-  OpenProject::Patches.patch_gem_version 'lookbook', '2.2.1' do
+  OpenProject::Patches.patch_gem_version 'lookbook', '2.2.2' do
     Lookbook::TreeNode.prepend OpenProject::Patches::LookbookTreeNodeInflector
   end
 end