diff --git a/RSSeaDragon/RSSeaDragon-0.3.1.ckan b/RSSeaDragon/RSSeaDragon-0.3.1.ckan
index 6e76179b14..0ba8433f81 100644
--- a/RSSeaDragon/RSSeaDragon-0.3.1.ckan
+++ b/RSSeaDragon/RSSeaDragon-0.3.1.ckan
@@ -49,5 +49,10 @@
     ],
     "download": "https://spacedock.info/mod/440/Real%20Scale%20Sea%20Dragon/download/0.3.1",
     "download_size": 10851917,
+    "download_hash": {
+        "sha1": "E8789E85379293B7332400E0E44165D0C2391FCF",
+        "sha256": "7605F724EFF0259F1A668E4AAF56BE534E20D894986FBA11E3D10D6AC408D9DA"
+    },
+    "download_content_type": "application/zip",
     "x_generated_by": "netkan"
 }