diff --git a/gcn/notices/swift/bat/Guano.example.json b/gcn/notices/swift/bat/guano.example.json
similarity index 100%
rename from gcn/notices/swift/bat/Guano.example.json
rename to gcn/notices/swift/bat/guano.example.json
diff --git a/gcn/notices/swift/bat/Guano.Retraction.example.json b/gcn/notices/swift/bat/guano.retraction.example.json
similarity index 100%
rename from gcn/notices/swift/bat/Guano.Retraction.example.json
rename to gcn/notices/swift/bat/guano.retraction.example.json
diff --git a/gcn/notices/swift/bat/Guano.schema.json b/gcn/notices/swift/bat/guano.schema.json
similarity index 100%
rename from gcn/notices/swift/bat/Guano.schema.json
rename to gcn/notices/swift/bat/guano.schema.json