diff --git a/database/pgsql/notification.go b/database/pgsql/notification.go
index 70bde316..3d42107d 100644
--- a/database/pgsql/notification.go
+++ b/database/pgsql/notification.go
@@ -1,3 +1,17 @@
+// Copyright 2015 clair authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package pgsql
 
 import (
diff --git a/database/pgsql/notification_test.go b/database/pgsql/notification_test.go
index 6ab32d6d..3f90f349 100644
--- a/database/pgsql/notification_test.go
+++ b/database/pgsql/notification_test.go
@@ -1,3 +1,17 @@
+// Copyright 2015 clair authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package pgsql
 
 import (
diff --git a/database/pgsql/pgsql_test.go b/database/pgsql/pgsql_test.go
index 76857007..2bde669d 100644
--- a/database/pgsql/pgsql_test.go
+++ b/database/pgsql/pgsql_test.go
@@ -1,3 +1,17 @@
+// Copyright 2015 clair authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package pgsql
 
 import (