diff --git a/RationalResourcesAluminium/RationalResourcesAluminium-2.0.7.1.ckan b/RationalResourcesAluminium/RationalResourcesAluminium-2.0.7.1.ckan
index ae266a2b18..67fee3ef53 100644
--- a/RationalResourcesAluminium/RationalResourcesAluminium-2.0.7.1.ckan
+++ b/RationalResourcesAluminium/RationalResourcesAluminium-2.0.7.1.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.4",
+    "spec_version": 1,
     "identifier": "RationalResourcesAluminium",
     "name": "Rational Resources Aluminium",
     "abstract": "Enables Aluminium in RR's Ore tanks, instead of Metal in RR's converters, and instead of Metal in the demo hybrid SRBs",