diff --git a/common.sh b/common.sh
index 9c68646..4854c0d 100644
--- a/common.sh
+++ b/common.sh
@@ -2,5 +2,5 @@ GAME_ID=2005
 PROJECT_NAME=wsproxy${GAME_ID}
 SRC_EXE_NAME=wsproxy${GAME_ID}
 SOURCE_PATH=third_party/wsproxy/server/wsproxy
-COMPILE_FLAGS="-DGAME_ID=${GAME_ID} -DMASTER_MODE=1 -DRELEASE=1 ."
+COMPILE_FLAGS="-DGAME_ID=${GAME_ID} -DMASTER_MODE=1 -DRELEASE=1 -DLIB_DIR=ubuntu20.04_g++-9 ."
 PRE_COMPILE_CMD=""
diff --git a/third_party/wsproxy b/third_party/wsproxy
index 58e7d6d..8504e40 160000
--- a/third_party/wsproxy
+++ b/third_party/wsproxy
@@ -1 +1 @@
-Subproject commit 58e7d6df7e3fa0a7134067d7c738b265f375636b
+Subproject commit 8504e406e5e16b70d8b52cb53c17d161426373a3