diff --git a/ci/default.nix b/ci/default.nix
index 51e6739..4f687b7 100644
--- a/ci/default.nix
+++ b/ci/default.nix
@@ -13,7 +13,7 @@
     autoMergeMethod = null;
     baseMerge = {
       enable = true;
-      mergeMethod = "rebase";
+      method = "rebase";
     };
     when = {
       minute = 45;