diff --git a/Couchbase/ExtensionNamespaceResolver.php b/Couchbase/ExtensionNamespaceResolver.php
index 4490250c..fa7f4e35 100644
--- a/Couchbase/ExtensionNamespaceResolver.php
+++ b/Couchbase/ExtensionNamespaceResolver.php
@@ -24,7 +24,7 @@
 
 class ExtensionNamespaceResolver
 {
-    const COUCHBASE_EXTENSION_VERSION = "4_2_4";
+    const COUCHBASE_EXTENSION_VERSION = "4_2_5";
 
     public static function defineExtensionNamespace()
     {
diff --git a/package.xml.in b/package.xml.in
index 37622e82..1bfe1b0d 100644
--- a/package.xml.in
+++ b/package.xml.in
@@ -13,9 +13,9 @@
         <email>sergey@couchbase.com</email>
         <active>yes</active>
     </lead>
-    <date>2024-10-22</date>
+    <date>2024-11-22</date>
     <version>
-        <release>4.2.4</release>
+        <release>4.2.5</release>
         <api>4.2.1</api>
     </version>
     <stability>
@@ -27,19 +27,16 @@
         Enhancements
         ============
 
-        * PCBC-832: Management API - Analytics Management (#177).
-
-        * Core updated to 1.0.3. Release notes:
-          https://docs.couchbase.com/cxx-sdk/current/project-docs/sdk-release-notes.html#version-1-0-3-22-october-2024
+        * PCBC-1004: Insert ABI version tag into PHP extension namespace (#187).
+          At this moment this feature is optional and does not break existing ABI.
+          The extension namespace will become versioned by default since 4.3.0.
 
         Fixes
         =====
 
-        * PCBC-1009: do not use IS_RESOURCE in function signatures.
-
-        * PCBC-1010: use explicit nullable types where applicable to avoid deprecation warning in PHP 8.4.
+        * PCBC-975: Fix expiry with upsertMulti
 
-        * Fix SearchQuery API docs link in API reference.
+        * PCBC-1017: Update user agent generation
     </notes>
     <contents>
     </contents>
@@ -56,23 +53,55 @@
     <providesextension>couchbase</providesextension>
     <extsrcrelease/>
     <changelog>
-        <date>2024-07-24</date>
-        <version>
-            <release>4.2.3</release>
-            <api>4.2.1</api>
-        </version>
-        <stability>
-            <release>stable</release>
-            <api>stable</api>
-        </stability>
-        <license uri="http://www.apache.org/licenses/LICENSE-2.0">Apache V2</license>
-        <notes>
-            Enhancements
-            ============
-
-            * Core updated to 1.0.1. Release notes:
-              https://docs.couchbase.com/cxx-sdk/current/project-docs/sdk-release-notes.html#version-1-0-1-22-august-2024
-        </notes>
+        <release>
+            <date>2024-10-22</date>
+            <version>
+                <release>4.2.4</release>
+                <api>4.2.1</api>
+            </version>
+            <stability>
+                <release>stable</release>
+                <api>stable</api>
+            </stability>
+            <license uri="http://www.apache.org/licenses/LICENSE-2.0">Apache V2</license>
+            <notes>
+                Enhancements
+                ============
+
+                * PCBC-832: Management API - Analytics Management (#177).
+
+                * Core updated to 1.0.3. Release notes:
+                  https://docs.couchbase.com/cxx-sdk/current/project-docs/sdk-release-notes.html#version-1-0-3-22-october-2024
+
+                Fixes
+                =====
+
+                * PCBC-1009: do not use IS_RESOURCE in function signatures.
+
+                * PCBC-1010: use explicit nullable types where applicable to avoid deprecation warning in PHP 8.4.
+
+                * Fix SearchQuery API docs link in API reference.
+            </notes>
+        </release>
+        <release>
+            <date>2024-07-24</date>
+            <version>
+                <release>4.2.3</release>
+                <api>4.2.1</api>
+            </version>
+            <stability>
+                <release>stable</release>
+                <api>stable</api>
+            </stability>
+            <license uri="http://www.apache.org/licenses/LICENSE-2.0">Apache V2</license>
+            <notes>
+                Enhancements
+                ============
+
+                * Core updated to 1.0.1. Release notes:
+                  https://docs.couchbase.com/cxx-sdk/current/project-docs/sdk-release-notes.html#version-1-0-1-22-august-2024
+            </notes>
+        </release>
         <release>
             <date>2024-07-24</date>
             <version>
diff --git a/src/deps/couchbase-cxx-client b/src/deps/couchbase-cxx-client
index c24912fc..5355b0fd 160000
--- a/src/deps/couchbase-cxx-client
+++ b/src/deps/couchbase-cxx-client
@@ -1 +1 @@
-Subproject commit c24912fcbbec5c5ebe3c2b54bb3013300ae69ed7
+Subproject commit 5355b0fdc221d87f0d6adbbf7e7f8826d819ea22
diff --git a/src/php_couchbase.hxx b/src/php_couchbase.hxx
index 4001c075..11b92a03 100644
--- a/src/php_couchbase.hxx
+++ b/src/php_couchbase.hxx
@@ -28,7 +28,7 @@
     #define PHP_COUCHBASE_EXTENSION_NAME "couchbase"
 #endif
 
-#define PHP_COUCHBASE_VERSION "4.2.4"
+#define PHP_COUCHBASE_VERSION "4.2.5"
 
 #ifdef __cplusplus
 extern "C" {