diff --git a/Dockerfile b/Dockerfile
index 43196a6..eb7ee27 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.4-apache
+FROM php:8.1.28-apache-bullseye
 LABEL maintainer="Andy Miller <rhuk@getgrav.org> (@rhukster)"
 
 # Enable Apache Rewrite + Expires Module
@@ -44,7 +44,7 @@ RUN { \
     } > /usr/local/etc/php/conf.d/php-recommended.ini
 
 RUN pecl install apcu \
-    && pecl install yaml-2.0.4 \
+    && pecl install yaml-2.2.3 \
     && docker-php-ext-enable apcu yaml
 
 # Set user to www-data
diff --git a/README.md b/README.md
index 372b4f5..0da468d 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,13 @@
 
 This currently is pretty minimal and uses:
 
-* apache-2.4.38
+* apache-2.4.56
 * GD library
 * Unzip library
-* php7.4
-* php7.4-opcache
-* php7.4-acpu
-* php7.4-yaml
+* php8.1
+* php8.1-opcache
+* php8.1-acpu
+* php8.1-yaml
 * cron
 * vim editor