diff --git a/LICENSE b/LICENSE
index 4ea46065..5c296ab7 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright 2020 Johannes Loher, Gesina Schwalbe, Oliver Rümpelein
+Copyright 2020 Johannes Loher, Gesina Schwalbe, Oliver Rümpelein, Siegfried Krug
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
diff --git a/package.json b/package.json
index 055a58db..06841a62 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,10 @@
         {
             "name": "Oliver Rümpelein",
             "email": "foundryvtt@pheerai.de"
+        },
+        {
+            "name": "Siegfried Krug",
+            "email": "foundryvtt@asdil1991.de"
         }
     ],
     "scripts": {
diff --git a/src/system.json b/src/system.json
index 6584e451..6c742c7a 100644
--- a/src/system.json
+++ b/src/system.json
@@ -6,7 +6,7 @@
     "minimumCoreVersion": "0.7.9",
     "compatibleCoreVersion": "0.7.9",
     "templateVersion": 2,
-    "author": "Johannes Loher, Gesina Schwalbe, Oliver Rümpelein",
+    "author": "Johannes Loher, Gesina Schwalbe, Oliver Rümpelein, Siegfried Krug",
     "esmodules": ["module/ds4.js"],
     "styles": ["ds4.css"],
     "scripts": [],