diff --git a/RecycledPartsMk2Essentials/RecycledPartsMk2Essentials-0.1.6.ckan b/RecycledPartsMk2Essentials/RecycledPartsMk2Essentials-0.1.6.ckan
index 1dcaea0f43..6dfc0a0005 100644
--- a/RecycledPartsMk2Essentials/RecycledPartsMk2Essentials-0.1.6.ckan
+++ b/RecycledPartsMk2Essentials/RecycledPartsMk2Essentials-0.1.6.ckan
@@ -11,7 +11,7 @@
         "repository": "https://github.com/linuxgurugamer/RecycledParts"
     },
     "version": "0.1.6",
-    "ksp_version_min": "1.4.5",
+    "ksp_version_min": "1.3.1",
     "ksp_version_max": "1.6.1",
     "recommends": [
         {