diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ccf115..f9f5d64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.27.4
+
+* Upgrade to Nginx 1.27.4.
+
 ## 1.27.1
 
 * Upgrade to Nginx 1.27.1.
diff --git a/Dockerfile b/Dockerfile
index a4a2e7c..ed5cef2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.27.1-bookworm
+FROM nginx:1.27.4-bookworm
 
 ENV NGINX_ENTRYPOINT_QUIET_LOGS=1
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 98c7fce..739ea9e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,4 @@
 ---
-version: '3.7'
 services:
   nginx:
     image: nginx