diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf
index 011c4287e..345f8f52a 100644
--- a/config/etc/sysctl.conf
+++ b/config/etc/sysctl.conf
@@ -44,7 +44,7 @@ net.bridge.bridge-nf-call-iptables = 0
 net.bridge.bridge-nf-call-arptables = 0
 
 # Try to keep kernel address exposures out of various /proc files (kallsyms, modules, etc).
-kernel.kptr_restrict = 1
+kernel.kptr_restrict = 2
 
 # Avoid kernel memory address exposures via dmesg.
 kernel.dmesg_restrict = 1