diff --git a/default.nix b/default.nix
index 8c13939..081cd27 100644
--- a/default.nix
+++ b/default.nix
@@ -1,5 +1,8 @@
-{ buildGoApplication, go, nix, lib, makeWrapper, nix-prefetch-git }:
+{ buildGoApplication, go_1_18, nix, lib, makeWrapper, nix-prefetch-git }:
 
+let
+  go = go_1_18;
+in
 buildGoApplication {
   inherit go;
   pname = "gomod2nix";
diff --git a/shell.nix b/shell.nix
index 561bcf4..a53475a 100644
--- a/shell.nix
+++ b/shell.nix
@@ -21,7 +21,7 @@ pkgs.mkShell {
   buildInputs = [
     pkgs.nix-prefetch-git
     pkgs.nixpkgs-fmt
-    pkgs.go
+    pkgs.gomod2nix.go
     pkgs.gomod2nix
   ];
 }