diff --git a/inside.json b/inside.json
index 93af0a4..3956019 100644
--- a/inside.json
+++ b/inside.json
@@ -1087,6 +1087,12 @@
          "imagewidth":256,
          "margin":0,
          "name":"floortileset",
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC0 1.0 Universal"
+                }],
          "spacing":0,
          "tilecount":64,
          "tileheight":32,
@@ -1119,6 +1125,12 @@
          "imagewidth":512,
          "margin":0,
          "name":"tilesets_deviant_milkian_1",
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC0 1.0 Universal"
+                }],
          "spacing":0,
          "tilecount":256,
          "tileheight":32,