diff --git a/crates/std_detect/Cargo.toml b/crates/std_detect/Cargo.toml
index 12d4a658c3..88d30a1fea 100644
--- a/crates/std_detect/Cargo.toml
+++ b/crates/std_detect/Cargo.toml
@@ -21,7 +21,6 @@ is-it-maintained-open-issues = { repository = "rust-lang/stdarch" }
 maintenance = { status = "experimental" }
 
 [dependencies]
-libc = { version = "0.2", optional = true, default-features = false }
 cfg-if = "1.0.0"
 
 # When built as part of libstd
@@ -29,6 +28,9 @@ core = { version = "1.0.0", optional = true, package = "rustc-std-workspace-core
 compiler_builtins = { version = "0.1.2", optional = true }
 alloc = { version = "1.0.0", optional = true, package = "rustc-std-workspace-alloc" }
 
+[target.'cfg(not(windows))'.dependencies]
+libc = { version = "0.2.0", optional = true, default-features = false }
+
 [dev-dependencies]
 cupid = "0.6.0"