diff --git a/Gemfile.lock b/Gemfile.lock
index 821a748..bdde65e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    gitea-client (0.4.0)
+    gitea-client (0.5.0)
       rest-client (~> 2.1.0)
 
 GEM
diff --git a/lib/gitea/api/repository.rb b/lib/gitea/api/repository.rb
index 121715e..f4ec735 100644
--- a/lib/gitea/api/repository.rb
+++ b/lib/gitea/api/repository.rb
@@ -69,6 +69,10 @@ module Gitea
           @http.get("/repos/#{owner}/#{repo}/collaborators/#{collaborator}", opt)
         end
 
+        def put_repos_collaborators_by_owner_repo_collaborator(owner, repo, collaborator, opt = {})
+          @http.put("/repos/#{owner}/#{repo}/collaborators/#{collaborator}", opt)
+        end
+
         def delete_repos_collaborators_by_owner_repo_collaborator(owner, repo, collaborator, opt = {})
           @http.delete("/repos/#{owner}/#{repo}/collaborators/#{collaborator}", opt)
         end
diff --git a/lib/gitea/version.rb b/lib/gitea/version.rb
index 778a6ba..6e4cb40 100644
--- a/lib/gitea/version.rb
+++ b/lib/gitea/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Gitea
-  VERSION = "0.4.0"
+  VERSION = "0.5.0"
 end