diff --git a/authority-portal-frontend/docker/Dockerfile b/authority-portal-frontend/docker/Dockerfile
index 1270c67bf..e142c37f8 100644
--- a/authority-portal-frontend/docker/Dockerfile
+++ b/authority-portal-frontend/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/nginxinc/nginx-unprivileged:1.27-alpine3.19
+FROM docker.io/nginxinc/nginx-unprivileged:1.27-alpine3.20
 
 # Temporarily switch to root to install packages and create symlink in restricted location
 USER root