diff --git a/PL-IRC/PL-IRC-1.2.ckan b/PL-IRC/PL-IRC-1.2.ckan
index 465564e95f..88f24c5c7d 100644
--- a/PL-IRC/PL-IRC-1.2.ckan
+++ b/PL-IRC/PL-IRC-1.2.ckan
@@ -5,7 +5,8 @@
     "abstract": "Adds a tiny ore storage capability to all Resource Converters, so that they can convert fuel without the need for external ore tanks.",
     "author": "PanzerLabs",
     "version": "1.2",
-    "ksp_version": "1.3.1",
+    "ksp_version_min": "1.3.0",
+    "ksp_version_max": "1.3.1",
     "license": "WTFPL",
     "resources": {
         "homepage": "https://forum.kerbalspaceprogram.com/index.php?/topic/135863-131v12panzerlabs-improved-resource-converters/",