diff --git a/cmake/deps/Boost.cmake b/cmake/deps/Boost.cmake
index 9506693a8d..5f32e06d91 100644
--- a/cmake/deps/Boost.cmake
+++ b/cmake/deps/Boost.cmake
@@ -32,6 +32,16 @@ if (Boost_COMPILER)
     target_link_libraries(xrpl_boost INTERFACE Boost::disable_autolinking)
 endif ()
 
+# GCC 14+ has a false positive -Wuninitialized warning in Boost.Coroutine2's
+# state.hpp when compiled with -O3. This is due to GCC's intentional behavior
+# change (Bug #98871, #119388) where warnings from inlined system header code
+# are no longer suppressed by -isystem. The warning occurs in operator|= in
+# boost/coroutine2/detail/state.hpp when inlined from push_control_block::destroy().
+# See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119388
+if (is_gcc AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 14)
+    target_compile_options(xrpl_boost INTERFACE -Wno-uninitialized)
+endif ()
+
 # Boost.Context's ucontext backend has ASAN fiber-switching annotations
 # (start/finish_switch_fiber) that are compiled in when BOOST_USE_ASAN is defined.
 # This tells ASAN about coroutine stack switches, preventing false positive