diff --git a/src/main/openapi/ckan.yaml b/src/main/openapi/ckan.yaml
index 4241ee9..70d3e0f 100644
--- a/src/main/openapi/ckan.yaml
+++ b/src/main/openapi/ckan.yaml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 PNED G.I.E.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 openapi: 3.0.3
 info:
   title: CKAN Package Search API
diff --git a/src/main/openapi/discovery.yaml b/src/main/openapi/discovery.yaml
index 73abdff..3fc5c43 100644
--- a/src/main/openapi/discovery.yaml
+++ b/src/main/openapi/discovery.yaml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 PNED G.I.E.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 openapi: 3.0.3
 info:
   title: CKAN Package Search API