diff --git a/Cargo.toml b/Cargo.toml
index 6c45ec94..874ff842 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -103,7 +103,7 @@ features = [
     "Win32_UI_WindowsAndMessaging",
 ]
 
-[target.'cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd", target_os = "netbsd"))'.dependencies]
+[target.'cfg(all(unix, not(any(target_os = "redox", target_arch = "wasm32", target_os = "android", target_os = "ios", target_os = "macos"))))'.dependencies]
 libc = "0.2.64"
 mio = { version = "0.8", features = ["os-ext"], optional = true }
 percent-encoding = { version = "2.0", optional = true }