diff --git a/pkgs/servers/search/quickwit/default.nix b/pkgs/servers/search/quickwit/default.nix
index ece87aa43ae2..e99289b08954 100644
--- a/pkgs/servers/search/quickwit/default.nix
+++ b/pkgs/servers/search/quickwit/default.nix
@@ -96,6 +96,9 @@ rustPlatform.buildRustPackage rec {
     };
   };
 
+  CARGO_PROFILE_RELEASE_LTO = "fat";
+  CARGO_PROFILE_RELEASE_CODEGEN_UNITS = "1";
+
   # needed for internal protobuf c wrapper library
   PROTOC = "${protobuf}/bin/protoc";
   PROTOC_INCLUDE = "${protobuf}/include";