diff --git a/src/test/regress/citus_tests/config.py b/src/test/regress/citus_tests/config.py
index 4ebe96143..207279f92 100644
--- a/src/test/regress/citus_tests/config.py
+++ b/src/test/regress/citus_tests/config.py
@@ -105,7 +105,7 @@ class CitusBaseClusterConfig(object, metaclass=NewInitCaller):
             "citus.enable_repartition_joins": True,
             "citus.repartition_join_bucket_count_per_node": 2,
             "citus.log_distributed_deadlock_detection": True,
-            "max_connections": 600,
+            "max_connections": 1200,
         }
         self.new_settings = {}
         self.add_coordinator_to_metadata = False