diff --git a/confluent_server/sysctl/confluent.conf b/confluent_server/sysctl/confluent.conf
index 3559d158..8b9dbba0 100644
--- a/confluent_server/sysctl/confluent.conf
+++ b/confluent_server/sysctl/confluent.conf
@@ -1,2 +1,2 @@
 # Increase available receive buffers for discovery scans
-net.core.rmem_max = 2097152
+net.core.rmem_max = 4194304