diff --git a/packages/c/capnproto/xmake.lua b/packages/c/capnproto/xmake.lua
index e3840df0b58..114f6b64763 100644
--- a/packages/c/capnproto/xmake.lua
+++ b/packages/c/capnproto/xmake.lua
@@ -29,6 +29,7 @@ package("capnproto")
 
     if is_plat("windows") then
         add_configs("shared", {description = "Build shared library.", default = false, type = "boolean", readonly = true})
+        add_syslinks("ws2_32")
     end
 
     add_deps("cmake", "zlib")