diff --git a/CHANGELOG.md b/CHANGELOG.md
index b143724be..a6d7f6cca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,13 +5,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
-## 5.2.1 - undefined
+## 5.2.1 - 2024-02-01
 
 ### Fixed
 - URI handlers when no domain are provided like tel:number.
 - Empty page on first date in date picker.
 - Ephemeral deactivation while restarting it.
-- Update SDK to 5.3.10.
+- Fix rates on capture audio (SDK).
+- Update SDK to 5.3.14.
 
 ### Added
 - Remove trailing newlines in smart search bar.
diff --git a/linphone-app/src/app/single-application/singleapplication_p.cpp b/linphone-app/src/app/single-application/singleapplication_p.cpp
index b13ba5812..4b83c7714 100644
--- a/linphone-app/src/app/single-application/singleapplication_p.cpp
+++ b/linphone-app/src/app/single-application/singleapplication_p.cpp
@@ -316,7 +316,7 @@ bool SingleApplicationPrivate::writeConfirmedFrame( int msecs, const QByteArray
     socket->write( msg );
     socket->flush();
 
-    bool result = socket->waitForReadyRead( msecs ); // await ack byte
+    bool result = socket->waitForReadyRead( msecs < 0 ? -1 : msecs ); // await ack byte
     if (result) {
         socket->read( 1 );
         return true;
diff --git a/linphone-sdk b/linphone-sdk
index df9d81091..ca911eed0 160000
--- a/linphone-sdk
+++ b/linphone-sdk
@@ -1 +1 @@
-Subproject commit df9d81091e94488c0196fb629ce6537b919fd848
+Subproject commit ca911eed0a2de2df6c638a08efd9f7f41b90d3ac