diff --git a/flake.nix b/flake.nix
index aa4b4c051..f694d2fd2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -90,6 +90,7 @@
           outputHashes = {
             "email-0.0.20" = "sha256-rV4Uzqt2Qdrfi5Ti1r+Si1c2iW1kKyWLwOgLkQ5JGGw=";
             "encoded-words-0.2.0" = "sha256-KK9st0hLFh4dsrnLd6D8lC6pRFFs8W+WpZSGMGJcosk=";
+            "iroh-base-0.16.0" = "sha256-TBME8LGqKtG9WHA3Ea9sc6ksfv/v28/o4l4AOiJy9vg=";
             "lettre-0.9.2" = "sha256-+hU1cFacyyeC9UGVBpS14BWlJjHy90i/3ynMkKAzclk=";
           };
         };