diff --git a/death.json b/death.json
index 11347c85..eff49437 100644
--- a/death.json
+++ b/death.json
@@ -349,6 +349,12 @@
          "imagewidth":384,
          "margin":0,
          "name":"Dungeon_Tilesetx2",
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC-BY 4.0"
+                }],
          "spacing":0,
          "tilecount":156,
          "tileheight":32,
@@ -362,6 +368,12 @@
          "imagewidth":32,
          "margin":0,
          "name":"black",
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC-BY 4.0"
+                }],
          "spacing":0,
          "tilecount":1,
          "tileheight":32,
@@ -372,6 +384,12 @@
          "firstgid":412,
          "image":"gold.png",
          "imageheight":32,
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC-BY 4.0 \nhttps:\/\/rc3.world"
+                }],
          "imagewidth":32,
          "margin":0,
          "name":"gold",
@@ -385,6 +403,12 @@
          "firstgid":413,
          "image":"gameOver.png",
          "imageheight":960,
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC-BY 4.0 \nhttps:\/\/rc3.world"
+                }],
          "imagewidth":960,
          "margin":0,
          "name":"gameOver",
@@ -416,4 +440,4 @@
  "type":"map",
  "version":"1.6",
  "width":64
-}
\ No newline at end of file
+}
diff --git a/dungeon.json b/dungeon.json
index 08dbdce4..c093d3e6 100644
--- a/dungeon.json
+++ b/dungeon.json
@@ -412,6 +412,12 @@
          "image":"black.png",
          "imageheight":32,
          "imagewidth":32,
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC-BY 4.0 \nhttps:\/\/rc3.world"
+                }],
          "margin":0,
          "name":"black",
          "spacing":0,
@@ -426,6 +432,12 @@
          "imageheight":32,
          "imagewidth":32,
          "margin":0,
+         "properties":[
+                {
+                 "name":"tilesetCopyright",
+                 "type":"string",
+                 "value":"CC-BY 4.0 \nhttps:\/\/rc3.world"
+                }],
          "name":"gold",
          "spacing":0,
          "tilecount":1,
@@ -436,4 +448,4 @@
  "type":"map",
  "version":"1.6",
  "width":64
-}
\ No newline at end of file
+}