diff -up ./src/memcache_ascii_protocol.c.pr118 ./src/memcache_ascii_protocol.c
--- ./src/memcache_ascii_protocol.c.pr118	2023-04-30 13:27:52.000000000 +0200
+++ ./src/memcache_ascii_protocol.c	2025-07-30 12:47:45.473426080 +0200
@@ -24,7 +24,7 @@
 #endif
 
 #include "memcache_pool.h"
-#include "ext/standard/php_smart_string.h"
+#include "Zend/zend_smart_string.h"
 
 typedef struct mmc_ascii_request {
 	mmc_request_t	base;							/* enable cast to mmc_request_t */
diff -up ./src/memcache_binary_protocol.c.pr118 ./src/memcache_binary_protocol.c
--- ./src/memcache_binary_protocol.c.pr118	2025-07-30 12:47:45.473570193 +0200
+++ ./src/memcache_binary_protocol.c	2025-07-30 12:49:24.587245680 +0200
@@ -34,7 +34,7 @@
 #include <netinet/in.h>
 #endif
 #include "memcache_pool.h"
-#include "ext/standard/php_smart_string.h"
+#include "Zend/zend_smart_string.h"
 
 #ifdef htonll
 #undef htonll
diff -up ./src/memcache_pool.c.pr118 ./src/memcache_pool.c
--- ./src/memcache_pool.c.pr118	2023-04-30 13:27:52.000000000 +0200
+++ ./src/memcache_pool.c	2025-07-30 12:47:45.473729843 +0200
@@ -35,7 +35,7 @@
 #include "ext/standard/crc32.h"
 #include "ext/standard/php_var.h"
 #include "ext/standard/php_string.h"
-#include "ext/standard/php_smart_string.h"
+#include "Zend/zend_smart_string.h"
 #include "zend_smart_str.h"
 #include "memcache_pool.h"
 
diff -up ./src/memcache_pool.h.pr118 ./src/memcache_pool.h
--- ./src/memcache_pool.h.pr118	2023-04-30 13:27:52.000000000 +0200
+++ ./src/memcache_pool.h	2025-07-30 12:47:45.473847580 +0200
@@ -42,7 +42,7 @@
 #include <string.h>
 
 #include "php.h"
-#include "ext/standard/php_smart_string_public.h"
+#include "Zend/zend_smart_string.h"
 #include "memcache_queue.h"
 
 /*
diff -up ./src/memcache_session.c.pr118 ./src/memcache_session.c
--- ./src/memcache_session.c.pr118	2023-04-30 13:27:52.000000000 +0200
+++ ./src/memcache_session.c	2025-07-30 12:47:45.473927007 +0200
@@ -29,7 +29,7 @@
 #include "php_variables.h"
 
 #include "SAPI.h"
-#include "ext/standard/php_smart_string.h"
+#include "Zend/zend_smart_string.h"
 #include "ext/standard/url.h"
 #include "ext/session/php_session.h"
 #ifdef PHP_WIN32