diff --git a/rust/notus/src/advisory.rs b/rust/notus/src/advisory.rs
index 8a5853dfd..f15d28254 100644
--- a/rust/notus/src/advisory.rs
+++ b/rust/notus/src/advisory.rs
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2023 Greenbone AG
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 use std::collections::HashMap;
 
 use models::{FixedPackage, FixedVersion, Specifier};
diff --git a/rust/notus/src/error.rs b/rust/notus/src/error.rs
index 885ca0125..51ae60666 100644
--- a/rust/notus/src/error.rs
+++ b/rust/notus/src/error.rs
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2023 Greenbone AG
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 use std::{fmt::Display, io};
 
 use models::FixedPackage;
diff --git a/rust/notus/src/notus.rs b/rust/notus/src/notus.rs
index 158ab3a48..847a9a1fc 100644
--- a/rust/notus/src/notus.rs
+++ b/rust/notus/src/notus.rs
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2023 Greenbone AG
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 use std::collections::HashMap;
 
 use models::{NotusResults, VulnerablePackage};
diff --git a/rust/notus/src/packages/deb.rs b/rust/notus/src/packages/deb.rs
index 3536443bd..f4d77bf7a 100644
--- a/rust/notus/src/packages/deb.rs
+++ b/rust/notus/src/packages/deb.rs
@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: 2023 Greenbone AG
 //
 // SPDX-License-Identifier: GPL-2.0-or-later
+
 use super::{Package, PackageVersion};
 use regex::Regex;
 use std::cmp::Ordering;
diff --git a/rust/notus/src/packages/rpm.rs b/rust/notus/src/packages/rpm.rs
index 3a32cbc35..4954a6cd5 100644
--- a/rust/notus/src/packages/rpm.rs
+++ b/rust/notus/src/packages/rpm.rs
@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: 2023 Greenbone AG
 //
 // SPDX-License-Identifier: GPL-2.0-or-later
+
 use super::{Package, PackageVersion};
 use regex::RegexBuilder;
 use std::cmp::Ordering;
diff --git a/rust/notus/src/packages/slack.rs b/rust/notus/src/packages/slack.rs
index cd2dc1262..6b72024a9 100644
--- a/rust/notus/src/packages/slack.rs
+++ b/rust/notus/src/packages/slack.rs
@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: 2023 Greenbone AG
 //
 // SPDX-License-Identifier: GPL-2.0-or-later
+
 use super::{Package, PackageVersion};
 use regex::Regex;
 use std::cmp::Ordering;