diff --git a/lib/natalie/compiler/binding_gen.rb b/lib/natalie/compiler/binding_gen.rb
index cd7944716..6278a4f1d 100644
--- a/lib/natalie/compiler/binding_gen.rb
+++ b/lib/natalie/compiler/binding_gen.rb
@@ -1243,7 +1243,7 @@ def generate_name
 gen.binding('String', '*', 'StringObject', 'mul', argc: 1, pass_env: true, pass_block: false, return_type: :Object)
 gen.binding('String', '+', 'StringObject', 'add', argc: 1, pass_env: true, pass_block: false, return_type: :Object)
 gen.binding('String', '+@', 'StringObject', 'uplus', argc: 0, pass_env: true, pass_block: false, return_type: :Object)
-gen.binding('String', '-@', 'StringObject', 'uminus', argc: 0, pass_env: true, pass_block: false, return_type: :Object)
+gen.binding('String', '-@', 'StringObject', 'uminus', argc: 0, pass_env: true, pass_block: false, aliases: ['dedup'], return_type: :Object)
 gen.binding('String', '<<', 'StringObject', 'ltlt', argc: 1, pass_env: true, pass_block: false, return_type: :Object)
 gen.binding('String', '<=>', 'StringObject', 'cmp', argc: 1, pass_env: true, pass_block: false, return_type: :Object)
 gen.binding('String', '==', 'StringObject', 'eq', argc: 1, pass_env: true, pass_block: false, aliases: ['==='], return_type: :bool)
diff --git a/spec/core/string/dedup_spec.rb b/spec/core/string/dedup_spec.rb
new file mode 100644
index 000000000..57d2be2cf
--- /dev/null
+++ b/spec/core/string/dedup_spec.rb
@@ -0,0 +1,8 @@
+require_relative '../../spec_helper'
+require_relative 'shared/dedup'
+
+describe 'String#dedup' do
+  ruby_version_is '3.2' do
+    it_behaves_like :string_dedup, :dedup
+  end
+end