diff --git a/debian.nix b/debian.nix
index c90dd01..9d66e9d 100644
--- a/debian.nix
+++ b/debian.nix
@@ -35,6 +35,7 @@ dockerTools.buildLayeredImage {
     ngrokBin
     entrypoint
     pkgs.cacert
+    dockerTools.binSh
   ] ++ shadowSetup;
   config = {
     ExposedPorts = {