diff --git a/EngineIgnitorReignited/EngineIgnitorReignited-1.3.3.4.ckan b/EngineIgnitorReignited/EngineIgnitorReignited-1.3.3.4.ckan
index 11ccd52b46..226513c6e5 100644
--- a/EngineIgnitorReignited/EngineIgnitorReignited-1.3.3.4.ckan
+++ b/EngineIgnitorReignited/EngineIgnitorReignited-1.3.3.4.ckan
@@ -11,7 +11,8 @@
         "repository": "https://github.com/linuxgurugamer/EngineIgnitor"
     },
     "version": "1.3.3.4",
-    "ksp_version": "1.6.0",
+    "ksp_version_min": "1.5.1",
+    "ksp_version_max": "1.6.0",
     "depends": [
         {
             "name": "ModuleManager"
diff --git a/KSPLogger/KSPLogger-0.4.6.2.ckan b/KSPLogger/KSPLogger-0.4.6.2.ckan
index 491627dbb8..beb2a554d3 100644
--- a/KSPLogger/KSPLogger-0.4.6.2.ckan
+++ b/KSPLogger/KSPLogger-0.4.6.2.ckan
@@ -9,6 +9,8 @@
         "repository": "https://github.com/linuxgurugamer/KSPLogger"
     },
     "version": "0.4.6.2",
+    "ksp_version_min": "1.5.1",
+    "ksp_version_max": "1.5.99",
     "recommends": [
         {
             "name": "JanitorsCloset"
diff --git a/Kartographer/Kartographer-1.1.2.4.ckan b/Kartographer/Kartographer-1.1.2.4.ckan
index 12b949b58a..f89f45f96a 100644
--- a/Kartographer/Kartographer-1.1.2.4.ckan
+++ b/Kartographer/Kartographer-1.1.2.4.ckan
@@ -16,7 +16,8 @@
         "x_screenshot": "https://spacedock.info/content/RealGecko_4471/Kartographer/Kartographer-1509426460.6679711.png"
     },
     "version": "1.1.2.4",
-    "ksp_version": "1.6.0",
+    "ksp_version_min": "1.5.1",
+    "ksp_version_max": "1.6.0",
     "depends": [
         {
             "name": "ToolbarController"