diff --git a/pkgs/development/tools/misc/hydra/default.nix b/pkgs/development/tools/misc/hydra/default.nix
index 4b0768af1e2..1e04a10eccd 100644
--- a/pkgs/development/tools/misc/hydra/default.nix
+++ b/pkgs/development/tools/misc/hydra/default.nix
@@ -55,6 +55,7 @@ let
         TextTable
         XMLSimple
         nixUnstable
+        nixUnstable.perl-bindings
         git
         boehmgc
       ];