diff --git a/Dockerfile b/Dockerfile
index b7b87fd..8e3bd42 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,36 +1,30 @@
-FROM php:7.2-apache
+FROM php:8.1-apache
 
-# install the PHP extensions we need
+# Install the PHP extensions we need
 RUN set -ex; \
-	\
-	savedAptMark="$(apt-mark showmanual)"; \
-	\
-	apt-get update; \
-	apt-get install -y --no-install-recommends \
-		libjpeg-dev \
-		libpng-dev \
-	; \
-	\
-	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
-	docker-php-ext-install gd mysqli opcache; \
-	\
-# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark; \
-	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
-		| awk '/=>/ { print $3 }' \
-		| sort -u \
-		| xargs -r dpkg-query -S \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -rt apt-mark manual; \
-	\
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*
-
-#install redis php extension
-ENV PHPREDIS_VERSION=4.0.2
+    savedAptMark="$(apt-mark showmanual)"; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        libjpeg-dev \
+        libpng-dev \
+        libfreetype6-dev \
+    ; \
+    docker-php-ext-configure gd --with-jpeg --with-freetype; \
+    docker-php-ext-install gd mysqli opcache; \
+    apt-mark auto '.*' > /dev/null; \
+    apt-mark manual $savedAptMark; \
+    ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+        | awk '/=>/ { print $3 }' \
+        | sort -u \
+        | xargs -r dpkg-query -S \
+        | cut -d: -f1 \
+        | sort -u \
+        | xargs -rt apt-mark manual; \
+    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+    rm -rf /var/lib/apt/lists/*
 
+# Install Redis PHP extension with a newer compatible version
+ENV PHPREDIS_VERSION=5.3.4
 RUN docker-php-source extract \
   && curl -L -o /tmp/redis.tar.gz https://github.com/phpredis/phpredis/archive/$PHPREDIS_VERSION.tar.gz \
   && tar xfz /tmp/redis.tar.gz \
@@ -39,31 +33,30 @@ RUN docker-php-source extract \
   && docker-php-ext-install redis \
   && docker-php-source delete
 
-# set recommended PHP.ini settings
-# see https://secure.php.net/manual/en/opcache.installation.php
+# Set recommended PHP.ini settings
 RUN { \
-		echo 'opcache.memory_consumption=128'; \
-		echo 'opcache.interned_strings_buffer=8'; \
-		echo 'opcache.max_accelerated_files=4000'; \
-		echo 'opcache.revalidate_freq=2'; \
-		echo 'opcache.fast_shutdown=1'; \
-		echo 'opcache.enable_cli=1'; \
-	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.interned_strings_buffer=8'; \
+        echo 'opcache.max_accelerated_files=4000'; \
+        echo 'opcache.revalidate_freq=2'; \
+        echo 'opcache.fast_shutdown=1'; \
+        echo 'opcache.enable_cli=1'; \
+    } > /usr/local/etc/php/conf.d/opcache-recommended.ini
 
 RUN a2enmod rewrite expires
 
 VOLUME /var/www/html
 
-ENV WORDPRESS_VERSION 4.9.6
-ENV WORDPRESS_SHA1 6992f19163e21720b5693bed71ffe1ab17a4533a
+# Set up WordPress 6.4.3
+ENV WORDPRESS_VERSION 6.4.3
+ENV WORDPRESS_SHA1 ee3bc3a73ab3cfa535c46f111eb641b3467fa44e
 
 RUN set -ex; \
-	curl -o wordpress.tar.gz -fSL "https://wordpress.org/wordpress-${WORDPRESS_VERSION}.tar.gz"; \
-	echo "$WORDPRESS_SHA1 *wordpress.tar.gz" | sha1sum -c -; \
-# upstream tarballs include ./wordpress/ so this gives us /usr/src/wordpress
-	tar -xzf wordpress.tar.gz -C /usr/src/; \
-	rm wordpress.tar.gz; \
-	chown -R www-data:www-data /usr/src/wordpress
+    curl -o wordpress.tar.gz -fSL "https://wordpress.org/wordpress-${WORDPRESS_VERSION}.tar.gz"; \
+    echo "$WORDPRESS_SHA1 *wordpress.tar.gz" | sha1sum -c -; \
+    tar -xzf wordpress.tar.gz -C /usr/src/; \
+    rm wordpress.tar.gz; \
+    chown -R www-data:www-data /usr/src/wordpress
 
 COPY docker-entrypoint.sh /usr/local/bin/