diff --git a/pkgs/development/libraries/tpm2-tss/default.nix b/pkgs/development/libraries/tpm2-tss/default.nix
index 5a62c8e45ec..a242484e897 100644
--- a/pkgs/development/libraries/tpm2-tss/default.nix
+++ b/pkgs/development/libraries/tpm2-tss/default.nix
@@ -23,6 +23,8 @@ stdenv.mkDerivation rec {
     cmocka uthash
   ];
 
+  enableParallelBuilding = true;
+
   postPatch = "patchShebangs script";
 
   configureFlags = [