diff --git a/makes/container-image/main.nix b/makes/container-image/main.nix
index 48b3fe27..b66dd9dc 100644
--- a/makes/container-image/main.nix
+++ b/makes/container-image/main.nix
@@ -31,6 +31,7 @@ inputs.nixpkgs.dockerTools.buildImage {
         inputs.nixpkgs.cacert
         inputs.nixpkgs.coreutils
         inputs.nixpkgs.git
+        inputs.nixpkgs.gnugrep
         inputs.nixpkgs.gnutar
         inputs.nixpkgs.gzip
         inputs.nixpkgs.nix