diff --git a/KerbalNRAP/KerbalNRAP-1.5.13.ckan b/KerbalNRAP/KerbalNRAP-1.5.13.ckan
index b24e08a11c..b5d8bcdf6d 100644
--- a/KerbalNRAP/KerbalNRAP-1.5.13.ckan
+++ b/KerbalNRAP/KerbalNRAP-1.5.13.ckan
@@ -16,7 +16,7 @@
         "x_screenshot": "https://spacedock.info/content/stupid_chris_2190/Kerbal_NRAP_-_Procedural_Test_Weights/Kerbal_NRAP_-_Procedural_Test_Weights-1457583001.4521554.png"
     },
     "version": "1.5.13",
-    "ksp_version_min": "1.4.5",
+    "ksp_version_min": "1.5.1",
     "ksp_version_max": "1.6.1",
     "depends": [
         {