diff --git a/bsc/gpi-2/default.nix b/bsc/gpi-2/default.nix
index ef7ce9d..a885e02 100644
--- a/bsc/gpi-2/default.nix
+++ b/bsc/gpi-2/default.nix
@@ -19,6 +19,8 @@ stdenv.mkDerivation rec {
     ref = "refs/tags/tagaspi-2021.11";
   };
 
+  enableParallelBuilding = true;
+
   preConfigure = ''
     patchShebangs autogen.sh
     ./autogen.sh
diff --git a/bsc/tagaspi/default.nix b/bsc/tagaspi/default.nix
index 21e9019..de893eb 100644
--- a/bsc/tagaspi/default.nix
+++ b/bsc/tagaspi/default.nix
@@ -15,7 +15,7 @@
 stdenv.mkDerivation rec {
   pname = "tagaspi";
   version = src.shortRev;
-  enableParallelBuilding = false;
+  enableParallelBuilding = true;
 
   buildInputs = [
     autoreconfHook