diff --git a/inventory/group_vars/value b/inventory/group_vars/value
index 3db6be9ad8..c497ba0ce6 100644
--- a/inventory/group_vars/value
+++ b/inventory/group_vars/value
@@ -19,6 +19,8 @@ custom_rules: [
     # Needed to let nagios on noc01 and noc02 pipe alerts to zodbot here
     '-A INPUT -p tcp -m tcp -s 10.5.126.41 --dport 5050 -j ACCEPT',
     '-A INPUT -p tcp -m tcp -s 152.19.134.192 --dport 5050 -j ACCEPT',
+    # batcave01 also needs access to announce commits.
+    '-A INPUT -p tcp -m tcp -s 10.5.126.8 --dport 5050 -j ACCEPT',
 ]
 
 fas_client_groups: sysadmin-noc,fi-apprentice,sysadmin-web,sysadmin-mote
diff --git a/inventory/group_vars/value-stg b/inventory/group_vars/value-stg
index 7792551ec5..9b65802b33 100644
--- a/inventory/group_vars/value-stg
+++ b/inventory/group_vars/value-stg
@@ -19,6 +19,8 @@ custom_rules: [
     # Needed to let nagios on noc01 and noc02 pipe alerts to zodbot here
     '-A INPUT -p tcp -m tcp -s 10.5.126.41 --dport 5050 -j ACCEPT',
     '-A INPUT -p tcp -m tcp -s 152.19.134.192 --dport 5050 -j ACCEPT',
+    # batcave01 also needs access to announce commits.
+    '-A INPUT -p tcp -m tcp -s 10.5.126.8 --dport 5050 -j ACCEPT',
 ]
 
 fas_client_groups: sysadmin-noc,fi-apprentice,sysadmin-web,sysadmin-mote