diff --git a/GoogleUtilities.podspec b/GoogleUtilities.podspec
index b88ba1b..7a61dc4 100644
--- a/GoogleUtilities.podspec
+++ b/GoogleUtilities.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'GoogleUtilities'
-  s.version          = '5.3.7'
+  s.version          = '5.4.0'
   s.summary          = 'Google Utilities for iOS (plus community support for macOS and tvOS)'
 
   s.description      = <<-DESC
diff --git a/GoogleUtilities/CHANGELOG.md b/GoogleUtilities/CHANGELOG.md
index 564ac5a..1286f23 100644
--- a/GoogleUtilities/CHANGELOG.md
+++ b/GoogleUtilities/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Unreleased
 
+# 5.4.0
+- Update GULLogger to use os_log instead of asl_log on iOS 9 and later. (#2374, #2504)
+
 # 5.3.7
 - Fixed `pod lib lint GoogleUtilities.podspec --use-libraries` regression. (#2130)
 - Fixed macOS conditional check in UserDefaults. (#2245)