diff --git a/CMakeLists.txt b/CMakeLists.txt
index c1e5a466..716a707f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@ if(Qt6_VERSION VERSION_GREATER_EQUAL 6.10)
 endif()
 find_package(Dtk6 REQUIRED COMPONENTS Core)
 find_package(Threads REQUIRED)
-find_package(TreelandProtocols REQUIRED)
+find_package(TreelandProtocols 0.6.0 REQUIRED)
 
 # Check if dde-api provides EventLogger (header-only)
 find_package(DDEAPI QUIET)
diff --git a/src/dbus/CMakeLists.txt b/src/dbus/CMakeLists.txt
index dce45f70..7a2efcc6 100644
--- a/src/dbus/CMakeLists.txt
+++ b/src/dbus/CMakeLists.txt
@@ -21,7 +21,7 @@ endif()
 
 qt_generate_wayland_protocol_client_sources(dde_am_dbus
     FILES
-        ${TREELAND_PROTOCOLS_DATA_DIR}/treeland-prelaunch-splash-v2.xml
+        ${TREELAND_PROTOCOLS_DATA_DIR}/treeland-prelaunch-splash-unstable-v2.xml
 )
 
 target_sources(dde_am_dbus PRIVATE
diff --git a/src/dbus/prelaunchsplashhelper.h b/src/dbus/prelaunchsplashhelper.h
index a105ed81..f3e0ea69 100644
--- a/src/dbus/prelaunchsplashhelper.h
+++ b/src/dbus/prelaunchsplashhelper.h
@@ -13,7 +13,7 @@
 #include <memory>
 #include <vector>
 
-#include "qwayland-treeland-prelaunch-splash-v2.h"
+#include "qwayland-treeland-prelaunch-splash-unstable-v2.h"
 
 // Wayland C types
 struct wl_buffer;