diff --git a/flake.nix b/flake.nix
index fb45c02..245594d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
           url = "http://kafpi.local/stm32cubemx_v${
           builtins.replaceStrings [ "." ] [ "" ] version
           }-lin.tar.gz";
-          sha256 = "";
+          sha256 = "1aq35pmn6201dcaprdqj126b4mzfkga70gil36iqp84bhg7jq6zb";
           #stripRoot = false;
         };