diff --git a/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.3.0.ckan b/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.3.0.ckan
index d26537a348..7a13f07c38 100644
--- a/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.3.0.ckan
+++ b/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.3.0.ckan
@@ -12,6 +12,7 @@
         "bugtracker": "https://github.com/KSP-RO/RSSTimeFormatter/issues"
     },
     "version": "1.4.3.0",
+    "ksp_version": "1.4.3",
     "install": [
         {
             "file": "GameData/RSSDateTime",
diff --git a/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.5.0.ckan b/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.5.0.ckan
index 45c143f707..40a0cd5582 100644
--- a/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.5.0.ckan
+++ b/RSSDateTimeFormatter/RSSDateTimeFormatter-1.4.5.0.ckan
@@ -12,6 +12,7 @@
         "bugtracker": "https://github.com/KSP-RO/RSSTimeFormatter/issues"
     },
     "version": "1.4.5.0",
+    "ksp_version": "1.4.5",
     "install": [
         {
             "file": "GameData/RSSDateTime",
diff --git a/RSSDateTimeFormatter/RSSDateTimeFormatter-1.5.1.0.ckan b/RSSDateTimeFormatter/RSSDateTimeFormatter-1.5.1.0.ckan
index 05ccca4497..a737a16a48 100644
--- a/RSSDateTimeFormatter/RSSDateTimeFormatter-1.5.1.0.ckan
+++ b/RSSDateTimeFormatter/RSSDateTimeFormatter-1.5.1.0.ckan
@@ -12,6 +12,7 @@
         "bugtracker": "https://github.com/KSP-RO/RSSTimeFormatter/issues"
     },
     "version": "1.5.1.0",
+    "ksp_version": "1.5.1",
     "install": [
         {
             "file": "GameData/RSSDateTime",