diff --git a/pkgs/by-name/hy/hydra/package.nix b/pkgs/by-name/hy/hydra/package.nix
index 937165f66fc666..7f68a0148b2831 100644
--- a/pkgs/by-name/hy/hydra/package.nix
+++ b/pkgs/by-name/hy/hydra/package.nix
@@ -149,7 +149,6 @@ stdenv.mkDerivation (finalAttrs: {
     perl
     pixz
     boost
-    postgresql
     nlohmann_json
     prometheus-cpp
   ];
@@ -191,6 +190,7 @@ stdenv.mkDerivation (finalAttrs: {
     python3
     libressl.nc
     openldap
+    postgresql
   ];
 
   configureFlags = [ "--with-docbook-xsl=${docbook_xsl}/xml/xsl/docbook" ];