diff --git a/Gemfile.lock b/Gemfile.lock
index 057dcbd99..7dee4b2d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -451,7 +451,7 @@ GEM
     rspec-support (3.13.7)
     rspec_junit_formatter (0.6.0)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (1.86.1)
+    rubocop (1.87.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
diff --git a/app/models/project.rb b/app/models/project.rb
index 4bc2812b9..5c5561c4b 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -114,7 +114,7 @@ def create_school_project_if_needed
   end
 
   def identifier_cannot_be_taken_by_another_user
-    return if Project.where(identifier: self.identifier).where.not(user_id:).empty?
+    return if Project.where(identifier:).where.not(user_id:).empty?
 
     errors.add(:identifier, "can't be taken by another user")
   end