diff --git a/lib/helpers.nix b/lib/helpers.nix
index 3f8ce722..0465091e 100644
--- a/lib/helpers.nix
+++ b/lib/helpers.nix
@@ -165,6 +165,10 @@ with lib; rec {
 
     mkNum = default: mkNullable lib.types.number (toString default);
     mkInt = default: mkNullable lib.types.int (toString default);
+    # Positive: >0
+    mkPositiveInt = default: mkNullable lib.types.ints.positive (toString default);
+    # Unsigned: >=0
+    mkUnsignedInt = default: mkNullable lib.types.ints.unsigned (toString default);
     mkBool = default:
       mkNullable lib.types.bool (
         if default