diff --git a/MechJeb2/MechJeb2-2.5.5.0.ckan b/MechJeb2/MechJeb2-2.5.5.0.ckan
index e2b4b5556a..3b6cdbf7f1 100644
--- a/MechJeb2/MechJeb2-2.5.5.0.ckan
+++ b/MechJeb2/MechJeb2-2.5.5.0.ckan
@@ -20,5 +20,10 @@
     ],
     "download": "https://ksp.sarbian.com/jenkins/job/MechJeb2-Release/5/artifact/MechJeb2-2.5.5.0.zip",
     "download_size": 3011096,
+    "download_hash": {
+        "sha1": "A2CA37338811D2E463BE191D7709382075EDA2B2",
+        "sha256": "7490792297E7A851733B04395D49EEDEF58AB31FE13118964565245977155EE4"
+    },
+    "download_content_type": "application/zip",
     "x_generated_by": "netkan"
 }