diff --git a/MechJeb2/MechJeb2-2.5.6.0.ckan b/MechJeb2/MechJeb2-2.5.6.0.ckan
index bef425b05a..6c3ed93577 100644
--- a/MechJeb2/MechJeb2-2.5.6.0.ckan
+++ b/MechJeb2/MechJeb2-2.5.6.0.ckan
@@ -20,5 +20,10 @@
     ],
     "download": "https://ksp.sarbian.com/jenkins/job/MechJeb2-Release/6/artifact/MechJeb2-2.5.6.0.zip",
     "download_size": 3321735,
+    "download_hash": {
+        "sha1": "F2718D075DAC84DBF2320CCFC3852AD1B60F304B",
+        "sha256": "5A2000BBFC3F8B3EFA60210ECAD312265D93AE06DB13BD837B0B20FC75DF375B"
+    },
+    "download_content_type": "application/zip",
     "x_generated_by": "netkan"
 }