diff --git a/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan b/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan
index 368065f803..bbfb501e43 100644
--- a/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan
+++ b/Mk2Expansion/Mk2Expansion-2-1.8.1.ckan
@@ -12,7 +12,7 @@
         "x_screenshot": "https://spacedock.info/content/SuicidalInsanity_1925/Mk2_Stockalike_Expansion/Mk2_Stockalike_Expansion-1459796616.997534.png"
     },
     "version": "2:1.8.1",
-    "ksp_version": "1.4.1",
+    "ksp_version": "1.4.3",
     "depends": [
         {
             "name": "ModuleManager"
diff --git a/Mk3Expansion/Mk3Expansion-1.4.5.ckan b/Mk3Expansion/Mk3Expansion-1.4.5.ckan
index f887f0fa82..cc6f19cea5 100644
--- a/Mk3Expansion/Mk3Expansion-1.4.5.ckan
+++ b/Mk3Expansion/Mk3Expansion-1.4.5.ckan
@@ -12,7 +12,7 @@
         "x_screenshot": "https://spacedock.info/content/SuicidalInsanity_1925/Mk3_Stockalike_Expansion/Mk3_Stockalike_Expansion-1462484679.499563.png"
     },
     "version": "1.4.5",
-    "ksp_version": "1.4.1",
+    "ksp_version": "1.4.3",
     "depends": [
         {
             "name": "ModuleManager"