diff --git a/nix/hydra/shell.nix b/nix/hydra/shell.nix
index 52a89ea1eab..ba5ebb4b2f8 100644
--- a/nix/hydra/shell.nix
+++ b/nix/hydra/shell.nix
@@ -55,8 +55,8 @@ let
   libs = [
     pkgs.glibcLocales
     pkgs.libsodium-vrf # from iohk-nix overlay
-    pkgs.xz
     pkgs.secp256k1
+    pkgs.xz
     pkgs.zlib
   ]
   ++