diff --git a/services/forgejo.nix b/services/forgejo.nix
index 3628918..29010c7 100644
--- a/services/forgejo.nix
+++ b/services/forgejo.nix
@@ -111,6 +111,10 @@ in {
         ENABLED = true;
         DEFAULT_ACTIONS_URL = "https://code.forgejo.org";
       };
+      "ssh.minimum_key_sizes" = {
+        RSA = -1;
+        DSA = -1;
+      };
       "repository.pull-request".DEFAULT_MERGE_STYLE = "rebase";
       "ui.meta" = {
         AUTHOR = "Christoph Heiss";