diff --git a/flake.nix b/flake.nix
index 1e98d1b..4cd16ef 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,10 +16,12 @@
         {
           devShells.default = 
             pkgs.mkShell {
-              buildInputs = with ros; [ ros2run rmw-fastrtps-dynamic-cpp xacro ];
+              buildInputs = (with ros; [ ros2run rmw-fastrtps-dynamic-cpp xacro gazebo ]);
               RMW_IMPLEMENTATION = "rmw_fastrtps_dynamic_cpp";
+              shellHook = ''
+                export LD_LIBRARY_PATH=${(with pkgs; lib.makeLibraryPath [ libsodium ])}
+              '';
             };
-          
         }
       );
 }
\ No newline at end of file