diff --git a/hm-module.nix b/hm-module.nix
index 3ed0dee..c2bdf77 100644
--- a/hm-module.nix
+++ b/hm-module.nix
@@ -17,10 +17,18 @@ in {
       };
 
       settings = {
-        logLevel = mkOption {
+        log_level = mkOption {
           type = types.str;
           default = "info";
         };
+        cache = mkOption {
+          type = types.bool;
+          default = false;
+        };
+        cache_dir = mkOption {
+            type = types.str;
+            default = "source_dir";
+        };
       };
     };
   };