diff --git a/scripts/build.py b/scripts/build.py
index c3a6f76..ed3b5ae 100755
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -201,8 +201,14 @@ def _macos_env(p: Platform) -> dict[str, str] | None:
     return None
 
 
+def _platform_features(p: Platform) -> list[str]:
+    if p.os == "windows":
+        return ["--features", "asio"]
+    return []
+
+
 def build_binary(root: Path, p: Platform, log: list[str], extra_args: list[str] | None = None) -> None:
-    cmd = [builder_for(p), "build", "--release", *target_flags(p), *(extra_args or [])]
+    cmd = [builder_for(p), "build", "--release", *target_flags(p), *_platform_features(p), *(extra_args or [])]
     log.append(f"  Building: {' '.join(extra_args or ['default'])}")
     run_cmd(cmd, log, env=_macos_env(p), cwd=root)