diff --git a/Amplitude.podspec b/Amplitude.podspec
index 85337186..bcfeddc7 100644
--- a/Amplitude.podspec
+++ b/Amplitude.podspec
@@ -1,4 +1,4 @@
-amplitude_version = "8.16.3" # Version is managed automatically by semantic-release, please don't change it manually
+amplitude_version = "8.16.4" # Version is managed automatically by semantic-release, please don't change it manually
 
 Pod::Spec.new do |s|
   s.name                   = "Amplitude"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd4a9bfb..52ea7f77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [8.16.4](https://github.com/amplitude/Amplitude-iOS/compare/v8.16.3...v8.16.4) (2023-06-22)
+
+
+### Bug Fixes
+
+* avoid global variables in AMPIdentifyInterceptor to fix missing user properties updates ([#445](https://github.com/amplitude/Amplitude-iOS/issues/445)) ([eb820a2](https://github.com/amplitude/Amplitude-iOS/commit/eb820a254f1e13b617d3c81209f0b307a1f5de8e))
+
 ## [8.16.3](https://github.com/amplitude/Amplitude-iOS/compare/v8.16.2...v8.16.3) (2023-06-15)
 
 
diff --git a/Sources/Amplitude/AMPConstants.m b/Sources/Amplitude/AMPConstants.m
index 8cd39128..718c2fa1 100644
--- a/Sources/Amplitude/AMPConstants.m
+++ b/Sources/Amplitude/AMPConstants.m
@@ -24,7 +24,7 @@
 #import "AMPConstants.h"
 
 NSString *const kAMPLibrary = @"amplitude-ios";
-NSString *const kAMPVersion = @"8.16.3"; // Version is managed automatically by semantic-release, please don't change it manually
+NSString *const kAMPVersion = @"8.16.4"; // Version is managed automatically by semantic-release, please don't change it manually
 NSString *const kAMPUnknownLibrary = @"unknown-library";
 NSString *const kAMPUnknownVersion = @"unknown-version";
 NSString *const kAMPEventLogDomain = @"api2.amplitude.com";