diff --git a/fabfile/tpch_confs/tpch_default.ini b/fabfile/tpch_confs/tpch_default.ini
index d81816b3..d5ecbc6c 100644
--- a/fabfile/tpch_confs/tpch_default.ini
+++ b/fabfile/tpch_confs/tpch_default.ini
@@ -1,5 +1,5 @@
 [test]
-postgres_citus_versions: [('17.2', 'release-13.0')]
+postgres_citus_versions: [('16.5', 'release-12.1')]
 tpch_tasks_executor_types: [('1.sql', 'adaptive'), ('3.sql', 'adaptive'), ('5.sql', 'adaptive'), ('6.sql', 'adaptive')
                             ,('7.sql', 'adaptive'), ('8.sql', 'adaptive'), ('9.sql', 'adaptive'), ('10.sql', 'adaptive')
                             , ('12.sql', 'adaptive'), ('14.sql', 'adaptive'), ('19.sql', 'adaptive')]
diff --git a/fabfile/tpch_confs/tpch_q1.ini b/fabfile/tpch_confs/tpch_q1.ini
index 0bcca4a4..c8432c23 100644
--- a/fabfile/tpch_confs/tpch_q1.ini
+++ b/fabfile/tpch_confs/tpch_q1.ini
@@ -1,4 +1,4 @@
 [test]
-postgres_citus_versions: [('17.2', 'release-13.0')]
+postgres_citus_versions: [('16.5', 'release-12.1')]
 tpch_tasks_executor_types: [('1.sql', 'real-time')]
 scale_factor: 1
\ No newline at end of file