diff --git a/SafetyWall/SafetyWall-1.3.1.0-release.ckan b/SafetyWall/SafetyWall-1.3.1.0-release.ckan
index 00868b6523..d0a2fb6c88 100644
--- a/SafetyWall/SafetyWall-1.3.1.0-release.ckan
+++ b/SafetyWall/SafetyWall-1.3.1.0-release.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.18",
+    "spec_version": "v1.4",
     "identifier": "SafetyWall",
     "name": "SafetyWall (WALL) by godarklight",
     "abstract": "An add-on that adds a safety fence around the Kerbal Space Center, for Kerbal Space Program.",