diff --git a/portfile.cmake b/portfile.cmake
index a42fc9f..fd9fab6 100644
--- a/portfile.cmake
+++ b/portfile.cmake
@@ -22,6 +22,7 @@ vcpkg_configure_cmake(
     OPTIONS
         -DCARES_STATIC=${CARES_STATIC}
         -DCARES_SHARED=${CARES_SHARED}
+        -DCARES_BUILD_TOOLS=OFF
 )
 
 vcpkg_install_cmake()

