diff --git a/apps/desktop/desktop_native/win_webauthn/Cargo.toml b/apps/desktop/desktop_native/win_webauthn/Cargo.toml
index 81361617827..a246ed4ba73 100644
--- a/apps/desktop/desktop_native/win_webauthn/Cargo.toml
+++ b/apps/desktop/desktop_native/win_webauthn/Cargo.toml
@@ -5,9 +5,6 @@ license.workspace = true
 edition.workspace = true
 publish.workspace = true
 
-[dev-dependencies]
-hex = { workspace = true }
-
 [lints]
 workspace = true
 
@@ -23,3 +20,6 @@ windows = { workspace = true, features = [
     "Win32_System_LibraryLoader",
 ] }
 windows-core = { workspace = true }
+
+[target.'cfg(windows)'.dev-dependencies]
+hex = { workspace = true }