diff --git a/pkgs/nix-unit/default.nix b/pkgs/nix-unit/default.nix
index 58f8b051f..1f1bbb1a8 100644
--- a/pkgs/nix-unit/default.nix
+++ b/pkgs/nix-unit/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   };
   buildInputs = [
     nlohmann_json
-    nixVersions.unstable
+    nixVersions.stable
     boost
   ];
   nativeBuildInputs = [