diff --git a/Gemfile b/Gemfile
index 20601dc..ca598b7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ group :development, :test do
   gem 'rake', '~> 13.1'
   gem 'rubocop', '~> 1.60'
   gem 'rubocop-minitest', '~> 0.34.5'
-  gem 'rubocop-performance', '~> 1.12'
+  gem 'rubocop-performance', '~> 1.20'
   gem 'rubocop-rake', '~> 0.6.0'
   gem 'simplecov', '~> 0.22.0'
   gem 'vcr', '5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index e93387e..b0847e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,9 +70,9 @@ GEM
     rubocop-minitest (0.34.5)
       rubocop (>= 1.39, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
-    rubocop-performance (1.18.0)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
+    rubocop-performance (1.20.2)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
@@ -104,7 +104,7 @@ DEPENDENCIES
   rake (~> 13.1)
   rubocop (~> 1.60)
   rubocop-minitest (~> 0.34.5)
-  rubocop-performance (~> 1.12)
+  rubocop-performance (~> 1.20)
   rubocop-rake (~> 0.6.0)
   simplecov (~> 0.22.0)
   vcr (= 5.0)
diff --git a/lib/datacite/doi_response.rb b/lib/datacite/doi_response.rb
index 1cd22fd..da5c89e 100644
--- a/lib/datacite/doi_response.rb
+++ b/lib/datacite/doi_response.rb
@@ -27,7 +27,7 @@ class DOIResponse
     def initialize(metadata)
       metadata[:data][:attributes].each do |(k, v)|
         self.class.attr_accessor(k) unless self.class.method_defined? k.to_sym
-        send("#{k}=", v)
+        send(:"#{k}=", v)
       end
     end
   end