diff --git a/build/ubi/Dockerfile b/build/ubi/Dockerfile
index 81cc76e417..aa1799ceb7 100644
--- a/build/ubi/Dockerfile
+++ b/build/ubi/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.18
+# syntax=docker/dockerfile:1.19
 FROM golang:1.25 AS builder
 
 WORKDIR /go/src/github.com/nginx/nginx-gateway-fabric
diff --git a/build/ubi/Dockerfile.nginx b/build/ubi/Dockerfile.nginx
index 4de10ed7c4..58ba1ec6af 100644
--- a/build/ubi/Dockerfile.nginx
+++ b/build/ubi/Dockerfile.nginx
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.18
+# syntax=docker/dockerfile:1.19
 FROM scratch AS nginx-files
 
 # Repository and key files for UBI-based builds
diff --git a/build/ubi/Dockerfile.nginxplus b/build/ubi/Dockerfile.nginxplus
index d9b63bd34d..699b24d289 100644
--- a/build/ubi/Dockerfile.nginxplus
+++ b/build/ubi/Dockerfile.nginxplus
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.18
+# syntax=docker/dockerfile:1.19
 FROM scratch AS nginx-files
 
 # NGINX Plus repo and key files (must be provided at build time)