diff --git a/ops/modules/open_eid.nix b/ops/modules/open_eid.nix
index 9fd325933..4a48a09a6 100644
--- a/ops/modules/open_eid.nix
+++ b/ops/modules/open_eid.nix
@@ -29,6 +29,7 @@ in
   '';
 
   environment.systemPackages = with pkgs; [
+    libdigidocpp # provides digidoc-tool(1)
     qdigidoc
     setup-browser-eid
   ];