diff --git a/pkgs/by-name/li/lief/package.nix b/pkgs/by-name/li/lief/package.nix
index 4779aeea9f24..3955ca473390 100644
--- a/pkgs/by-name/li/lief/package.nix
+++ b/pkgs/by-name/li/lief/package.nix
@@ -31,6 +31,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   outputs = [
     "out"
+    "dev"
     "py"
   ];