diff --git a/Dockerfile b/Dockerfile
index 7eed95c..a4bf19f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,14 +1,16 @@
-FROM dreamfactorysoftware/df-base-img:ubuntu-20
+ARG BASE=dreamfactorysoftware/df-base-img:ubuntu-22
+FROM $BASE
 
 # Configure Nginx
 COPY dreamfactory.conf /etc/nginx/sites-available/dreamfactory.conf
 
 # Get DreamFactory
-RUN git clone https://github.com/dreamfactorysoftware/dreamfactory.git /opt/dreamfactory
+ARG BRANCH=master
+RUN git clone --branch $BRANCH https://github.com/dreamfactorysoftware/dreamfactory.git /opt/dreamfactory
 
 WORKDIR /opt/dreamfactory
 
-# Uncomment lines 12 & 21 if you would like to upgrade your environment while replacing the License Key value with your issued Key and adding the license files to the df-docker directory.
+# Uncomment lines 14 & 23 if you would like to upgrade your environment while replacing the License Key value with your issued Key and adding the license files to the df-docker directory.
 # COPY composer.* /opt/dreamfactory/
 
 # Install packages
diff --git a/README.md b/README.md
index bd27b08..1d05e47 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 </h1>
 
 <p align="center">
-    Docker container for DreamFactory 4.x using Ubuntu 20.04, PHP 7.4 and NGINX.
+    Docker container for DreamFactory 5.x using Ubuntu 22.04, PHP 8.1 and NGINX.
 </p>
 
 <p align="center">
@@ -77,7 +77,7 @@ Go to `127.0.0.1` in your browser. It will take some time upon building, but you
 
 ### 1) Add the license files to the `df-docker` directory
 
-### 2) Uncomment lines 12 and 21 of `Dockerfile`
+### 2) Uncomment lines 14 and 23 of `Dockerfile`
 
 ### 3) Add the License Key to line 21 of `Dockerfile`
 
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 1704148..47ac23a 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -15,11 +15,11 @@ done
 
 # Configure NGINX and www.conf
 ln -s /etc/nginx/sites-available/dreamfactory.conf /etc/nginx/sites-enabled/dreamfactory.conf && \
-sed -i "s/pm.max_children = 5/pm.max_children = 5000/" /etc/php/7.4/fpm/pool.d/www.conf && \
-sed -i "s/pm.start_servers = 2/pm.start_servers = 150/" /etc/php/7.4/fpm/pool.d/www.conf && \
-sed -i "s/pm.min_spare_servers = 1/pm.min_spare_servers = 100/" /etc/php/7.4/fpm/pool.d/www.conf && \
-sed -i "s/pm.max_spare_servers = 3/pm.max_spare_servers = 200/" /etc/php/7.4/fpm/pool.d/www.conf && \
-sed -i "s/pm = dynamic/pm = ondemand/" /etc/php/7.4/fpm/pool.d/www.conf && \
+sed -i "s/pm.max_children = 5/pm.max_children = 5000/" /etc/php/8.1/fpm/pool.d/www.conf && \
+sed -i "s/pm.start_servers = 2/pm.start_servers = 150/" /etc/php/8.1/fpm/pool.d/www.conf && \
+sed -i "s/pm.min_spare_servers = 1/pm.min_spare_servers = 100/" /etc/php/8.1/fpm/pool.d/www.conf && \
+sed -i "s/pm.max_spare_servers = 3/pm.max_spare_servers = 200/" /etc/php/8.1/fpm/pool.d/www.conf && \
+sed -i "s/pm = dynamic/pm = ondemand/" /etc/php/8.1/fpm/pool.d/www.conf && \
 sed -i "s/worker_connections 768;/worker_connections 2048;/" /etc/nginx/nginx.conf && \
 sed -i "s/keepalive_timeout 65;/keepalive_timeout 10;/" /etc/nginx/nginx.conf
 
@@ -194,8 +194,8 @@ if [ -n "$SENDMAIL_DEFAULT_COMMAND" ]; then
   sed -i "s/#SENDMAIL_DEFAULT_COMMAND=.*/SENDMAIL_DEFAULT_COMMAND=\"$(echo "$SENDMAIL_DEFAULT_COMMAND" | sed 's/\//\\\//g')\"/" .env
 fi
 
-# start php7.4-fpm
-service php7.4-fpm start
+# start php8.1-fpm
+service php8.1-fpm start
 
 # start cron service for df-scheduler
 service cron start
diff --git a/dreamfactory.conf b/dreamfactory.conf
index f8e0ef2..7cace96 100644
--- a/dreamfactory.conf
+++ b/dreamfactory.conf
@@ -1,5 +1,5 @@
 upstream php_handler {
-    server unix:/var/run/php/php7.4-fpm.sock;
+    server unix:/var/run/php/php8.1-fpm.sock;
     #server 127.0.0.1:9000 backup;
 }