diff --git a/example.c b/example.c
index 7d9808b..7f49c9d 100644
--- a/example.c
+++ b/example.c
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2025 Riptides Labs, Inc.
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/oci_signer.c b/oci_signer.c
index d24dbd9..56eb368 100644
--- a/oci_signer.c
+++ b/oci_signer.c
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2025 Riptides Labs, Inc.
+ * SPDX-License-Identifier: MIT
+ */
+
 #include "oci_signer.h"
 
 #define OCI_SIGNER_AUTH_HEADER_NAME "Authorization"
diff --git a/oci_signer.h b/oci_signer.h
index e14ebb7..b6d2960 100644
--- a/oci_signer.h
+++ b/oci_signer.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2025 Riptides Labs, Inc.
+ * SPDX-License-Identifier: MIT
+ */
+
 #ifndef __OCI_SIGNER_H
 #define __OCI_SIGNER_H
 
diff --git a/test.c b/test.c
index bd703fa..9ff9795 100644
--- a/test.c
+++ b/test.c
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2025 Riptides Labs, Inc.
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>