diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index e95c951..8b9b5d5 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -15,6 +15,7 @@ find_package(openenclave REQUIRED CONFIG)
 set(BUILD_CURL_EXE OFF CACHE BOOL "" FORCE)
 set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
 set(HTTP_ONLY ON CACHE BOOL "" FORCE)
+set(HAVE_LINUX_TCP_H OFF CACHE BOOL "" FORCE)
 set(CURL_DISABLE_COOKIES ON CACHE BOOL "" FORCE)
 set(CURL_ZLIB OFF CACHE BOOL "" FORCE)
 set(ENABLE_UNIX_SOCKETS OFF CACHE BOOL "" FORCE)
diff --git a/library/curl b/library/curl
index c6b70de..566b74a 160000
--- a/library/curl
+++ b/library/curl
@@ -1 +1 @@
-Subproject commit c6b70de24660673648a37be4d18638274d7f5741
+Subproject commit 566b74a0e19b9aa610f4931e5bfd339bcf8e9147