diff --git a/package/gluon-ebtables-limit-arp/src/Makefile b/package/gluon-ebtables-limit-arp/src/Makefile
index e4348552..48908519 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 b1305b29..140090ef 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 e08d1835..5d52fbaa 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 8530642c..5875e897 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 5e823699..8ffffdb7 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 fa2cc859..76d1143a 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 558e8c19..a4a4ad56 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_