diff --git a/tools/chatgui/libutun/CMakeLists.txt b/tools/chatgui/libutun/CMakeLists.txt
index 6bdcbd0d..fc270c95 100644
--- a/tools/chatgui/libutun/CMakeLists.txt
+++ b/tools/chatgui/libutun/CMakeLists.txt
@@ -8,7 +8,7 @@ set(TRANSPORT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../transport)
 # libuasync — low-level runtime library
 # ============================================================================
 
-file(GLOB UASYNC_SOURCES "${LIB_DIR}/*.c")
+file(GLOB UASYNC_SOURCES CONFIGURE_DEPENDS "${LIB_DIR}/*.c")
 set(UASYNC_LMDB_SOURCES
     "${LIB_DIR}/liblmdb/mdb.c"
     "${LIB_DIR}/liblmdb/midl.c"
@@ -44,7 +44,7 @@ set_target_properties(uasync PROPERTIES
 # ============================================================================
 
 # Common sources (all platforms) — all .c from src/ except main entry point and ref/ dirs
-file(GLOB_RECURSE UTUN_COMMON_SOURCES "${SRC_DIR}/*.c")
+file(GLOB_RECURSE UTUN_COMMON_SOURCES CONFIGURE_DEPENDS "${SRC_DIR}/*.c")
 list(FILTER UTUN_COMMON_SOURCES EXCLUDE REGEX "/lwip_orig/")
 list(FILTER UTUN_COMMON_SOURCES EXCLUDE REGEX "/uip/")
 list(FILTER UTUN_COMMON_SOURCES EXCLUDE REGEX "/transport_layer/BBR/")