diff --git a/default.nix b/default.nix
index c5e7a9dee..c2563b63a 100644
--- a/default.nix
+++ b/default.nix
@@ -118,7 +118,7 @@ rec {
 
   # Development tools.
   devTools =
-    pkgs.callPackage nix/tools/devTools.nix { inherit tests style devCabalOptions hsie; };
+    pkgs.callPackage nix/tools/devTools.nix { inherit tests style devCabalOptions hsie withTools; };
 
   # Docker images and loading script.
   docker =
diff --git a/nix/tools/devTools.nix b/nix/tools/devTools.nix
index a6d9364ea..286763740 100644
--- a/nix/tools/devTools.nix
+++ b/nix/tools/devTools.nix
@@ -10,6 +10,7 @@
 , silver-searcher
 , style
 , tests
+, withTools
 }:
 let
   watch =
@@ -71,7 +72,7 @@ let
         inRootDir = true;
       }
       ''
-        ${tests}/bin/postgrest-with-all ${tests}/bin/postgrest-test-spec
+        ${withTools}/bin/postgrest-with-all ${tests}/bin/postgrest-test-spec
         ${tests}/bin/postgrest-test-spec-idempotence
         ${tests}/bin/postgrest-test-io
         ${style}/bin/postgrest-lint