diff --git a/integration_tests/configs/upgrade-test-package.nix b/integration_tests/configs/upgrade-test-package.nix
index f80a6367be..d9068f81e0 100644
--- a/integration_tests/configs/upgrade-test-package.nix
+++ b/integration_tests/configs/upgrade-test-package.nix
@@ -8,7 +8,7 @@ let
     };
   }).defaultNix;
   # v0.6.10
-  releasedGenesis = (import (builtins.fetchTarball "https://github.com/crypto-org-chain/cronos/archive/v0.6.10.tar.gz") { }).cronosd;
+  releasedGenesis = (import (builtins.fetchTarball "https://github.com/crypto-org-chain/cronos/archive/v0.6.10.tar.gz") { }).default;
   # v0.7.0
   released_0 = (fetchFlake "crypto-org-chain/cronos" "799ac47e293403bd57580d2ff96bb8d9851c3cde").default;
   # v0.8.0