diff --git a/QtScrcpy/QtScrcpyCore b/QtScrcpy/QtScrcpyCore
index cb9da00..6658072 160000
--- a/QtScrcpy/QtScrcpyCore
+++ b/QtScrcpy/QtScrcpyCore
@@ -1 +1 @@
-Subproject commit cb9da00b4ac4e855b6cb8a9033fe45a1fabfd05b
+Subproject commit 665807285e74ce8e9316d33b3ae9f95acfb6f8e4
diff --git a/QtScrcpy/util/config.cpp b/QtScrcpy/util/config.cpp
index 5915cf2..43bcee0 100644
--- a/QtScrcpy/util/config.cpp
+++ b/QtScrcpy/util/config.cpp
@@ -18,7 +18,7 @@
 #define COMMON_PUSHFILE_DEF "/sdcard/"
 
 #define COMMON_SERVER_VERSION_KEY "ServerVersion"
-#define COMMON_SERVER_VERSION_DEF "2.1.1"
+#define COMMON_SERVER_VERSION_DEF "3.1"
 
 #define COMMON_SERVER_PATH_KEY "ServerPath"
 #define COMMON_SERVER_PATH_DEF "/data/local/tmp/scrcpy-server.jar"