diff --git a/CustomPreLaunchChecks/CustomPreLaunchChecks-1.8.1.1.ckan b/CustomPreLaunchChecks/CustomPreLaunchChecks-1.8.1.1.ckan
index c9df1380be..916cf01214 100644
--- a/CustomPreLaunchChecks/CustomPreLaunchChecks-1.8.1.1.ckan
+++ b/CustomPreLaunchChecks/CustomPreLaunchChecks-1.8.1.1.ckan
@@ -35,6 +35,7 @@
         "sha256": "1D2D355E59A6E32BE4B551F90078090056638A30033258B1693A44A4EBF1CC04"
     },
     "download_content_type": "application/zip",
+    "install_size": 42438,
     "release_date": "2021-07-25T03:27:50Z",
     "x_generated_by": "netkan"
 }