diff --git a/docker/Dockerfile b/docker/Dockerfile
index 63703229..ad0ad8a4 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@ FROM rockylinux:9
 
 LABEL maintainer="Kleis Auke Wolthuizen <info@kleisauke.nl>"
 
-ARG NGINX_VERSION=1.25.4
+ARG NGINX_VERSION=1.27.0
 
 # Copy the contents of this repository to the container
 COPY . /var/www/imagesweserv
diff --git a/docker/README.md b/docker/README.md
index 3cefbfb6..2b6eefe6 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -18,7 +18,7 @@ This document describes how to use weserv/images with Docker.
 
 1. Build the container (with a specified nginx version).
    ```bash
-   docker build --build-arg NGINX_VERSION=1.25.4 -t weserv/images -f docker/Dockerfile .
+   docker build --build-arg NGINX_VERSION=1.27.0 -t weserv/images -f docker/Dockerfile .
    ```
 
 2. Run the container (same as above, but using the recently built tag).
diff --git a/docker/alpine.Dockerfile b/docker/alpine.Dockerfile
index 98f7140e..adc093b9 100644
--- a/docker/alpine.Dockerfile
+++ b/docker/alpine.Dockerfile
@@ -5,13 +5,13 @@ FROM alpine:3.19
 
 LABEL maintainer="Kleis Auke Wolthuizen <info@kleisauke.nl>"
 
-ARG NGINX_VERSION=1.25.4
+ARG NGINX_VERSION=1.27.0
 
 # Copy the contents of this repository to the container
 COPY . /var/www/imagesweserv
 WORKDIR /var/www/imagesweserv
 
-# Create nginx user/group first, to be consistent throughout docker variants
+# Create nginx user/group
 RUN addgroup -g 101 -S nginx \
     && adduser -S -D -H -u 101 -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx \
     # Bring in build dependencies
diff --git a/third_party/nginx/CMakeLists.txt b/third_party/nginx/CMakeLists.txt
index 94850776..488ab6d1 100644
--- a/third_party/nginx/CMakeLists.txt
+++ b/third_party/nginx/CMakeLists.txt
@@ -1,5 +1,5 @@
 if (NOT NGX_VERSION)
-    set(NGX_VERSION 1.25.4)
+    set(NGX_VERSION 1.27.0)
 endif()
 
 set(NGX_ROOT ${CMAKE_CURRENT_BINARY_DIR})