diff --git a/Cargo.toml b/Cargo.toml
index df5b488020f..3df275ff70d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -128,9 +128,6 @@ anyhow.workspace = true
 base64.workspace = true
 bytesize.workspace = true
 cargo-credential.workspace = true
-cargo-credential-libsecret.workspace = true
-cargo-credential-macos-keychain.workspace = true
-cargo-credential-wincred.workspace = true
 cargo-platform.workspace = true
 cargo-util.workspace = true
 clap = { workspace = true, features = ["wrap_help"] }
@@ -189,9 +186,18 @@ unicode-xid.workspace = true
 url.workspace = true
 walkdir.workspace = true
 
+[target.'cfg(target_os = "linux")'.dependencies]
+cargo-credential-libsecret.workspace = true
+
+[target.'cfg(target_os = "macos")'.dependencies]
+cargo-credential-macos-keychain.workspace = true
+
 [target.'cfg(not(windows))'.dependencies]
 openssl = { workspace = true, optional = true }
 
+[target.'cfg(windows)'.dependencies]
+cargo-credential-wincred.workspace = true
+
 [target.'cfg(windows)'.dependencies.windows-sys]
 workspace = true
 features = [
diff --git a/src/cargo/util/auth/mod.rs b/src/cargo/util/auth/mod.rs
index ea82dce0cc2..c2f818645f2 100644
--- a/src/cargo/util/auth/mod.rs
+++ b/src/cargo/util/auth/mod.rs
@@ -529,9 +529,15 @@ fn credential_action(
             }
             "cargo:paseto" => bail!("cargo:paseto requires -Zasymmetric-token"),
             "cargo:token-from-stdout" => Box::new(BasicProcessCredential {}),
+            #[cfg(windows)]
             "cargo:wincred" => Box::new(cargo_credential_wincred::WindowsCredential {}),
+            #[cfg(target_os = "macos")]
             "cargo:macos-keychain" => Box::new(cargo_credential_macos_keychain::MacKeychain {}),
+            #[cfg(target_os = "linux")]
             "cargo:libsecret" => Box::new(cargo_credential_libsecret::LibSecretCredential {}),
+            name if BUILT_IN_PROVIDERS.contains(&name) => {
+                Box::new(cargo_credential::UnsupportedCredential {})
+            }
             process => Box::new(CredentialProcessCredential::new(process)),
         };
         config.shell().verbose(|c| {