diff --git a/Gemfile b/Gemfile
index 3553ade6ea7..bd13380bb67 100644
--- a/Gemfile
+++ b/Gemfile
@@ -214,7 +214,7 @@ gem "appsignal", "~> 3.0", require: false
 
 gem "view_component"
 # Lookbook
-gem "lookbook", "~> 2.2.1"
+gem "lookbook", "~> 2.3.0"
 
 # Require factory_bot for usage with openproject plugins testing
 gem "factory_bot", "~> 6.4.0", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 70eb7d76f1b..383eed3cb4f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -693,7 +693,7 @@ GEM
     loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    lookbook (2.2.2)
+    lookbook (2.3.0)
       activemodel
       css_parser
       htmlbeautifier (~> 1.3)
@@ -1234,7 +1234,7 @@ DEPENDENCIES
   letter_opener_web
   listen (~> 3.9.0)
   lograge (~> 0.14.0)
-  lookbook (~> 2.2.1)
+  lookbook (~> 2.3.0)
   mail (= 2.8.1)
   matrix (~> 0.4.2)
   md_to_pdf!
diff --git a/lib/open_project/patches/lookbook_tree_node_inflector.rb b/lib/open_project/patches/lookbook_tree_node_inflector.rb
index c6652dfdb45..fdabef5a1bb 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", "2.2.2" do
+  OpenProject::Patches.patch_gem_version "lookbook", "2.3.0" do
     Lookbook::TreeNode.prepend OpenProject::Patches::LookbookTreeNodeInflector
   end
 end