diff --git a/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn b/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
index b5e20ff6344486..8beef0cdc56b72 100644
--- a/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
@@ -321,6 +321,7 @@ write_cmake_config("llvm-config") {
     "LLVM_BUILD_SHARED_LIBS=",
     "LLVM_DEFAULT_TARGET_TRIPLE=$llvm_target_triple",
     "LLVM_ENABLE_DUMP=",
+    "LLVM_ENABLE_HTTPLIB=",
     "LLVM_FORCE_ENABLE_STATS=",
     "LLVM_FORCE_USE_OLD_TOOLCHAIN=",
     "LLVM_HAS_ATOMICS=1",