diff --git a/WeakerHeatshields/WeakerHeatshields-1.0.0.ckan b/WeakerHeatshields/WeakerHeatshields-1.0.0.ckan
index 22c23da10d..1a9eda698c 100644
--- a/WeakerHeatshields/WeakerHeatshields-1.0.0.ckan
+++ b/WeakerHeatshields/WeakerHeatshields-1.0.0.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.18",
+    "spec_version": "v1.4",
     "identifier": "WeakerHeatshields",
     "name": "Weaker Heatshields",
     "abstract": "Stock Heatshield rebalance. Requires Module Manager.",