diff --git a/flake.nix b/flake.nix
index 688472d8..b66229b5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,6 +17,8 @@
           pkgs.python3
           pkgs.pkg-config
           pkgs.pkgsCross.arm-embedded.stdenv.cc.bintools # binutils
+          pkgs.unzip
+          pkgs.p7zip
         ];
 
         buildInputs = [
@@ -25,4 +27,4 @@
         ];
       };
     };
-}
\ No newline at end of file
+}