diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06a7969..451a36b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Unreleased
+
+- Updates rubocop-performance from 1.22.0 to [1.23.0](https://github.com/rubocop/rubocop-performance/releases/tag/v1.23.0)
+
 ## 1.5.0
 
 - Updates rubocop-performance from 1.21.0 to [1.22.1](https://github.com/rubocop/rubocop-performance/releases/tag/v1.22.1)
diff --git a/Gemfile.lock b/Gemfile.lock
index e4fccba..4dc3c7f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     standard-performance (1.5.0)
       lint_roller (~> 1.1)
-      rubocop-performance (~> 1.22.0)
+      rubocop-performance (~> 1.23.0)
 
 GEM
   remote: https://rubygems.org/
@@ -41,7 +41,7 @@ GEM
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.34.1)
       parser (>= 3.3.1.0)
-    rubocop-performance (1.22.1)
+    rubocop-performance (1.23.0)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     ruby-progressbar (1.13.0)
diff --git a/config/base.yml b/config/base.yml
index 1d12f77..20cc4e9 100644
--- a/config/base.yml
+++ b/config/base.yml
@@ -130,6 +130,9 @@ Performance/Squeeze:
 Performance/StartWith:
   Enabled: true
 
+Performance/StringBytesize:
+  Enabled: true
+
 Performance/StringIdentifierArgument:
   Enabled: true
 
diff --git a/standard-performance.gemspec b/standard-performance.gemspec
index ec4aa12..8967d67 100644
--- a/standard-performance.gemspec
+++ b/standard-performance.gemspec
@@ -29,5 +29,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "lint_roller", "~> 1.1"
-  spec.add_dependency "rubocop-performance", "~> 1.22.0"
+  spec.add_dependency "rubocop-performance", "~> 1.23.0"
 end