diff --git a/playbooks/include/proxies-websites.yml b/playbooks/include/proxies-websites.yml
index f33e3f5e27..bf21bdd188 100644
--- a/playbooks/include/proxies-websites.yml
+++ b/playbooks/include/proxies-websites.yml
@@ -25,6 +25,7 @@
     - "[2610:28:3090:3001:dead:beef:cafe:fed3]"
     - "213.175.193.205"
     - "[2001:2030:0:2::2]"
+    - "10.5.126.51"
     - "10.5.126.52"
     - "85.236.55.6"
     - "[2001:4178:2:1269::fed2]"
@@ -41,6 +42,7 @@
     - "10.5.126.88"
 
     # Production
+    - "10.5.126.51"
     - "10.5.126.52"
     - "85.236.55.6"
     - "[2001:4178:2:1269::fed2]"