diff --git a/modules/shared/ci-builder.nix b/modules/shared/ci-builder.nix
index e00a14b..48045c3 100644
--- a/modules/shared/ci-builder.nix
+++ b/modules/shared/ci-builder.nix
@@ -1,6 +1,9 @@
 {
   # match buildbot timeouts
   # https://github.com/nix-community/buildbot-nix/blob/85c0b246cc96cc244e4d9889a97c4991c4593dc3/buildbot_nix/__init__.py#L1008
-  nix.settings.max-silent-time = toString (60 * 20);
+
+  # causes problems with cgroups: https://github.com/nix-community/infra/issues/1459#issuecomment-2507146996
+  nix.settings.max-silent-time = toString (60 * 20 * 3); # 3x buildbot
+
   nix.settings.timeout = toString (60 * 60 * 3);
 }