diff --git a/flake.nix b/flake.nix
index 9d2a650..ae418eb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -89,7 +89,7 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
             '';
           };
           frequency = lib.mkOption {
-            type = lib.type.int;
+            type = lib.types.int;
             description = lib.mdDoc ''
               The number of minutes to wait between updates
             '';