diff --git a/ETT/ETT-3-20170704.ckan b/ETT/ETT-3-20170704.ckan
index 9f399c91b2..b21d5ec8fb 100644
--- a/ETT/ETT-3-20170704.ckan
+++ b/ETT/ETT-3-20170704.ckan
@@ -12,7 +12,7 @@
         "x_screenshot": "https://spacedock.info/content/Probus_261/Engineering_Tech_Tree/Engineering_Tech_Tree-1455988837.071927.jpg"
     },
     "version": "3:20170704",
-    "ksp_version": "1.3.0",
+    "ksp_version": "1.3.1",
     "depends": [
         {
             "name": "ModuleManager"