diff --git a/scdc/Cargo.toml b/scdc/Cargo.toml
index be910cf..163e873 100644
--- a/scdc/Cargo.toml
+++ b/scdc/Cargo.toml
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Heiko Schaefer <heiko@schaefer.name>
+# SPDX-License-Identifier: MIT OR Apache-2.0
+
 [package]
 name = "openpgp-card-scdc"
 description = "Experimental SCDaemon Client, intended for use in the openpgp-card crate"
diff --git a/scdc/src/lib.rs b/scdc/src/lib.rs
index 89347ce..d081b14 100644
--- a/scdc/src/lib.rs
+++ b/scdc/src/lib.rs
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Heiko Schaefer <heiko@schaefer.name>
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use anyhow::{anyhow, Result};
 use futures::StreamExt;
 use lazy_static::lazy_static;