diff --git a/fry_normalize/Cargo.toml b/fry_normalize/Cargo.toml
index 256b333..bb2b8ec 100644
--- a/fry_normalize/Cargo.toml
+++ b/fry_normalize/Cargo.toml
@@ -10,3 +10,9 @@ regex = "1.10.4"
 num-bigfloat = { version = "1.7.1", default-features = false }
 once_cell = { version = "1.19.0", default-features = false, features = ["critical-section"] }
 derive_more = { version = "0.99.17", default-features = false, features = ["display"] }
+
+[target.'cfg(target_family = "windows")'.dependencies]
+once_cell = { version = "1.19.0", default-features = false, features = ["std"] }
+
+[target.'cfg(target_family = "unix")'.dependencies]
+once_cell = { version = "1.19.0", default-features = false, features = ["std"] }