diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index 89d88bdf564a..73a4ed09ade8 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -100,6 +100,9 @@ in
 stdenv.mkDerivation rec {
   pname = "openblas";
   version = "0.3.10";
+
+  outputs = [ "out" "dev" ];
+
   src = fetchFromGitHub {
     owner = "xianyi";
     repo = "OpenBLAS";