diff --git a/shenvs/armasm.nix b/shenvs/armasm.nix
index 33162fb..f8a0179 100644
--- a/shenvs/armasm.nix
+++ b/shenvs/armasm.nix
@@ -1,6 +1,7 @@
 pkgs: {
   paths = with pkgs; [
     gcc-arm-embedded
+    gnumake
     qemu
   ];
 }