diff --git a/.github/scripts/generate-build-context.sh b/.github/scripts/generate-build-context.sh
index 2800d90..7aead0e 100644
--- a/.github/scripts/generate-build-context.sh
+++ b/.github/scripts/generate-build-context.sh
@@ -45,9 +45,9 @@ EOF
 
 # --- Dockerfile for HumHub ---
 cat > humhub/Dockerfile <<EOF
-FROM php:8.2-fpm
+FROM php:8.3-fpm
 
-ARG HUMHUB_VERSION=1.17.2
+ARG HUMHUB_VERSION=1.18.0-beta.4
 
 RUN apt-get update && apt-get install -y \\
     libzip-dev libfreetype6-dev libjpeg62-turbo-dev libpng-dev \\
diff --git a/README.md b/README.md
index 475fe9d..d2c48b8 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ This repository contains a complete Docker setup for running a secure, productio
 
 ## Features
 
-- **HumHub**: Latest version (1.17.2) with PHP 8.2
+- **HumHub**: Latest version (1.18.0-beta.4) with PHP 8.3
 - **Security**: Hardened containers with minimal privileges and capabilities
 - **Database**: MariaDB 10.11 with secure configuration
 - **Caching**: Redis for improved performance
diff --git a/humhub/Dockerfile b/humhub/Dockerfile
index 2869c1b..faf3f27 100644
--- a/humhub/Dockerfile
+++ b/humhub/Dockerfile
@@ -3,7 +3,7 @@ FROM php:8.3-fpm
 # Set shell with pipefail option
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
-ARG HUMHUB_VERSION=1.17.2
+ARG HUMHUB_VERSION=1.18.0-beta.4
 
 # Install dependencies
 # hadolint ignore=DL3008