diff --git a/src/dev/build/tasks/os_packages/docker_generator/resources/bin/kibana-docker b/src/dev/build/tasks/os_packages/docker_generator/resources/bin/kibana-docker
index e1d994dabe94e..5e6b7b6043529 100755
--- a/src/dev/build/tasks/os_packages/docker_generator/resources/bin/kibana-docker
+++ b/src/dev/build/tasks/os_packages/docker_generator/resources/bin/kibana-docker
@@ -237,6 +237,7 @@ kibana_vars=(
     xpack.security.enabled
     xpack.security.encryptionKey
     xpack.security.loginAssistanceMessage
+    xpack.security.sameSiteCookies
     xpack.security.secureCookies
     xpack.security.sessionTimeout
     xpack.security.session.idleTimeout