diff --git a/cdk/sfec2/sci_stack.py b/cdk/sfec2/sci_stack.py
index 78f0c81..97b20c8 100644
--- a/cdk/sfec2/sci_stack.py
+++ b/cdk/sfec2/sci_stack.py
@@ -61,7 +61,7 @@ class VpcBasisStack(cdk.Stack):
             allow_all_outbound=True, security_group_name='Sci-sg' )
         self.SciSG.add_ingress_rule(peer=ec2.Peer.ipv4('173.79.190.162/32'),
             connection=ec2.Port.tcp(22), description="ssh in from home")
-        self.SciSG.add_ingress_rule(peer=ec2.Peer.ipv4('70.164.18.200/29'),
+        self.SciSG.add_ingress_rule(peer=ec2.Peer.ipv4('70.164.19.200/29'),
             connection=ec2.Port.tcp(22), description="ssh in from nova")
         self.SciSG.add_ingress_rule(peer=ec2.Peer.any_ipv6(),
             connection=ec2.Port.tcp(80), description="HTTP open to the world, ipv6")