diff --git a/GameData/ProceduralParts/ProceduralParts.version b/GameData/ProceduralParts/ProceduralParts.version
index 6a7c335f..c7db61ca 100644
--- a/GameData/ProceduralParts/ProceduralParts.version
+++ b/GameData/ProceduralParts/ProceduralParts.version
@@ -13,11 +13,16 @@
       "BUILD" : 0
    },
    "DOWNLOAD" : "https://github.com/Starwaster/ProceduralParts/releases",
-   "KSP_VERSION" :
+   "KSP_VERSION_MIN" :
    {
       "MAJOR" : 1,
       "MINOR" : 3,
       "PATCH" : 0
+  },
+   "KSP_VERSION_MAX" :
+   {
+      "MAJOR" : 1,
+      "MINOR" : 3,
+      "PATCH" : 1
    }
 }
-
diff --git a/Source/zzVersionChecker.cs b/Source/zzVersionChecker.cs
index 88dc3438..265241d0 100644
--- a/Source/zzVersionChecker.cs
+++ b/Source/zzVersionChecker.cs
@@ -65,7 +65,8 @@ public static bool IsCompatible()
             // Even if you don't lock down functionality, you should return true if your users
             // can expect a future update to be available.
             //
-            return Versioning.version_major == 1 && Versioning.version_minor == 3 && Versioning.Revision == 0;
+            return Versioning.version_major == 1 && Versioning.version_minor == 3
+                && Versioning.Revision >= 0 && Versioning.Revision <= 1;
 
             /*-----------------------------------------------*\
             | IMPLEMENTERS SHOULD NOT EDIT BEYOND THIS POINT! |
diff --git a/version-gen b/version-gen
index 781835de..b6595621 100755
--- a/version-gen
+++ b/version-gen
@@ -26,12 +26,17 @@ my $metadata = {
 	{
 		USERNAME => "Swamp-Ig",
 		REPOSITORY => "ProceduralParts"
-	
+
+	},
+    KSP_VERSION_MIN => {
+        MAJOR => 1,
+        MINOR => 3,
+        PATCH => 0
 	},
-    KSP_VERSION => {
+    KSP_VERSION_MAX => {
         MAJOR => 1,
-        MINOR => 2,
-        PATCH => 2,
+        MINOR => 3,
+        PATCH => 1
     },
 };