diff --git a/GravityTurn/GravityTurn-1.2.3.ckan b/GravityTurn/GravityTurn-1.2.3.ckan
index 4a1b95efae..da317743f1 100644
--- a/GravityTurn/GravityTurn-1.2.3.ckan
+++ b/GravityTurn/GravityTurn-1.2.3.ckan
@@ -21,5 +21,10 @@
     ],
     "download": "https://github.com/johnfink8/GravityTurn/releases/download/1.2.3/GravityTurn.zip",
     "download_size": 61647,
+    "download_hash": {
+        "sha1": "2CFFD78B9F8099B4DCFE70748E6815DBB2092400",
+        "sha256": "58B2A49B3D6B564B065F67FF665C242F0C85DC7B3D7CECF4EFA5D9A6DCA874C7"
+    },
+    "download_content_type": "application/zip",
     "x_generated_by": "netkan"
 }