diff --git a/pkgs/tools/security/grap/default.nix b/pkgs/tools/security/grap/default.nix
index 1d77e9bf99cb..4d8f347e048a 100644
--- a/pkgs/tools/security/grap/default.nix
+++ b/pkgs/tools/security/grap/default.nix
@@ -16,12 +16,12 @@ stdenv.mkDerivation rec {
     cmake
     flex
     python3
+    swig4
   ];
 
   buildInputs = [
     boost.all
     libseccomp
-    swig4
   ];
 
   strictDeps = true;