diff --git a/package/gluon-ebtables-limit-arp/src/Makefile b/package/gluon-ebtables-limit-arp/src/Makefile
index e434855226eb6118ee6d7f8d8e6a529a702c1e8b..48908519db51eece44a122f526ca6f2ff6e07ffc 100644
--- a/package/gluon-ebtables-limit-arp/src/Makefile
+++ b/package/gluon-ebtables-limit-arp/src/Makefile
@@ -1,5 +1,5 @@
 # SPDX-FileCopyrightText: 2017 Linus Lüssing <linus.luessing@c0d3.blue>
-# SPDX-License-Identifier: GPL-2.0+
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 all: gluon-arp-limiter
 
diff --git a/package/gluon-ebtables-limit-arp/src/addr_store.c b/package/gluon-ebtables-limit-arp/src/addr_store.c
index b1305b29bff38437271d8e5852422556c1109324..140090ef6182e60e8175e60ff84fdbad123c7c50 100644
--- a/package/gluon-ebtables-limit-arp/src/addr_store.c
+++ b/package/gluon-ebtables-limit-arp/src/addr_store.c
@@ -1,5 +1,5 @@
 // SPDX-FileCopyrightText: 2017 Linus Lüssing <linus.luessing@c0d3.blue>
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <errno.h>
 #include <stdio.h>
diff --git a/package/gluon-ebtables-limit-arp/src/addr_store.h b/package/gluon-ebtables-limit-arp/src/addr_store.h
index e08d18357a853809d6c7c2596291b9f8661c5a4f..5d52fbaa1170cd5964c1b9f390649eb6d66be83e 100644
--- a/package/gluon-ebtables-limit-arp/src/addr_store.h
+++ b/package/gluon-ebtables-limit-arp/src/addr_store.h
@@ -1,5 +1,5 @@
 // SPDX-FileCopyrightText: 2017 Linus Lüssing <linus.luessing@c0d3.blue>
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef _ADDR_STORE_H_
 #define _ADDR_STORE_H_
diff --git a/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.c b/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.c
index 8530642cece2b53ac0ae5c783983275734aecaf4..5875e89769b1e006ef6e03687fa05fece7d0fafc 100644
--- a/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.c
+++ b/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.c
@@ -1,5 +1,5 @@
 // SPDX-FileCopyrightText: 2017 Linus Lüssing <linus.luessing@c0d3.blue>
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <arpa/inet.h>
 #include <errno.h>
diff --git a/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.h b/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.h
index 5e8236998d171dc74f29261ddbbacc5f62ef6041..8ffffdb7f9c0bb13ca9662f9ea3be1de0a4b5583 100644
--- a/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.h
+++ b/package/gluon-ebtables-limit-arp/src/gluon-arp-limiter.h
@@ -1,5 +1,5 @@
 // SPDX-FileCopyrightText: 2017 Linus Lüssing <linus.luessing@c0d3.blue>
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef _GLUON_ARP_LIMITER_H_
 #define _GLUON_ARP_LIMITER_H_
diff --git a/package/gluon-ebtables-limit-arp/src/mac.c b/package/gluon-ebtables-limit-arp/src/mac.c
index fa2cc8594b42bbc03cf1c9ea8ca95b7262e05b50..76d1143a120418024782b94787633a6798de6e9b 100644
--- a/package/gluon-ebtables-limit-arp/src/mac.c
+++ b/package/gluon-ebtables-limit-arp/src/mac.c
@@ -1,5 +1,5 @@
 // SPDX-FileCopyrightText: 2017 Linus Lüssing <linus.luessing@c0d3.blue>
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <linux/if_ether.h>
 #include <stdio.h>
diff --git a/package/gluon-ebtables-limit-arp/src/mac.h b/package/gluon-ebtables-limit-arp/src/mac.h
index 558e8c19ee85656873c75c6b567efac26cc2f9a8..a4a4ad56ac03236078bf610b5671535d75e3e098 100644
--- a/package/gluon-ebtables-limit-arp/src/mac.h
+++ b/package/gluon-ebtables-limit-arp/src/mac.h
@@ -1,5 +1,5 @@
 // SPDX-FileCopyrightText: 2017 Linus Lüssing <linus.luessing@c0d3.blue>
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef _MAC_H_
 #define _MAC_H_