diff --git a/README.md b/README.md
index 92eb64f..d58c682 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,7 @@ Once setup is complete, you can easily switch between different PHP versions usi
 ./switch-to-php-7.0.sh
 ./switch-to-php-7.1.sh
 ./switch-to-php-7.2.sh
+./switch-to-php-7.3.sh
 ```
 
 This will alter the versions of PHP running in Apache and the command line. Your password will be required to enable/disable Apache modules, restart the web server and alter the default PHP CLI version.
diff --git a/setup.sh b/setup.sh
index 48d2afd..e8b7baf 100755
--- a/setup.sh
+++ b/setup.sh
@@ -34,9 +34,15 @@ echo "* Installing PHP 7.2..."
 sudo apt-get install -y php7.2 php7.2-common php7.2-cli > /dev/null
 
 echo "* Installing PHP 7.2 extensions..."
-sudo apt-get install -y php7.2-bz2 php7.2-curl php7.2-gd php7.2-json php7.2-mbstring php7.2-mysql php7.2-opcache php7.2-readline php7.2-soap php7.2-sqlite3 php7.2-tidy php7.2-xml php7.2-xsl php7.2-zip php-redis > /dev/null
+sudo apt-get install -y php7.2-bz2 php7.2-curl php7.2-gd php7.2-json php7.2-mbstring php7.2-mysql php7.2-opcache php7.2-readline php7.2-soap php7.2-sqlite3 php7.2-tidy php7.2-xml php7.2-xsl php7.2-zip > /dev/null
+
+echo "* Installing PHP 7.3..."
+sudo apt-get install -y php7.3 php7.3-common php7.3-cli > /dev/null
+
+echo "* Installing PHP 7.3 extensions..."
+sudo apt-get install -y php7.3-bz2 php7.3-curl php7.3-gd php7.3-json php7.3-mbstring php7.3-mysql php7.3-opcache php7.3-readline php7.3-soap php7.3-sqlite3 php7.3-tidy php7.3-xml php7.3-xsl php7.3-zip > /dev/null
 
 echo "* Installing additional PHP extensions..."
-sudo apt-get install -y php-memcache php-memcached  > /dev/null
+sudo apt-get install -y php-memcache php-memcached php-redis  > /dev/null
 
 echo "* Setup complete. You may now use the 'switch-to-php-*.*.sh' scripts."
diff --git a/switch-to-php-5.6.sh b/switch-to-php-5.6.sh
index 8466140..57a47fa 100755
--- a/switch-to-php-5.6.sh
+++ b/switch-to-php-5.6.sh
@@ -9,6 +9,9 @@ sudo a2dismod php7.1 > /dev/null
 echo "* Disabling Apache PHP 7.2 module..."
 sudo a2dismod php7.2 > /dev/null
 
+echo "* Disabling Apache PHP 7.3 module..."
+sudo a2dismod php7.3 > /dev/null
+
 echo "* Enabling Apache PHP 5.6 module..."
 sudo a2enmod php5.6 > /dev/null
 
diff --git a/switch-to-php-7.0.sh b/switch-to-php-7.0.sh
index 0c67867..95ed730 100755
--- a/switch-to-php-7.0.sh
+++ b/switch-to-php-7.0.sh
@@ -9,6 +9,9 @@ sudo a2dismod php7.1 > /dev/null
 echo "* Disabling Apache PHP 7.2 module..."
 sudo a2dismod php7.2 > /dev/null
 
+echo "* Disabling Apache PHP 7.3 module..."
+sudo a2dismod php7.3 > /dev/null
+
 echo "* Enabling Apache PHP 7.0 module..."
 sudo a2enmod php7.0 > /dev/null
 
diff --git a/switch-to-php-7.1.sh b/switch-to-php-7.1.sh
index 2ec2e02..00abab2 100755
--- a/switch-to-php-7.1.sh
+++ b/switch-to-php-7.1.sh
@@ -3,11 +3,14 @@
 echo "* Disabling Apache PHP 5.6 module..."
 sudo a2dismod php5.6 > /dev/null
 
+echo "* Disabling Apache PHP 7.0 module..."
+sudo a2dismod php7.0 > /dev/null
+
 echo "* Disabling Apache PHP 7.2 module..."
 sudo a2dismod php7.2 > /dev/null
 
-echo "* Disabling Apache PHP 7.0 module..."
-sudo a2dismod php7.0 > /dev/null
+echo "* Disabling Apache PHP 7.3 module..."
+sudo a2dismod php7.3 > /dev/null
 
 echo "* Enabling Apache PHP 7.1 module..."
 sudo a2enmod php7.1 > /dev/null
diff --git a/switch-to-php-7.2.sh b/switch-to-php-7.2.sh
index 7ec41ae..cb3b020 100755
--- a/switch-to-php-7.2.sh
+++ b/switch-to-php-7.2.sh
@@ -9,6 +9,9 @@ sudo a2dismod php7.0 > /dev/null
 echo "* Disabling Apache PHP 7.1 module..."
 sudo a2dismod php7.1 > /dev/null
 
+echo "* Disabling Apache PHP 7.3 module..."
+sudo a2dismod php7.3 > /dev/null
+
 echo "* Enabling Apache PHP 7.2 module..."
 sudo a2enmod php7.2 > /dev/null
 
diff --git a/switch-to-php-7.3.sh b/switch-to-php-7.3.sh
new file mode 100755
index 0000000..552034c
--- /dev/null
+++ b/switch-to-php-7.3.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+echo "* Disabling Apache PHP 5.6 module..."
+sudo a2dismod php5.6 > /dev/null
+
+echo "* Disabling Apache PHP 7.0 module..."
+sudo a2dismod php7.0 > /dev/null
+
+echo "* Disabling Apache PHP 7.1 module..."
+sudo a2dismod php7.1 > /dev/null
+
+echo "* Disabling Apache PHP 7.2 module..."
+sudo a2dismod php7.2 > /dev/null
+
+echo "* Enabling Apache PHP 7.3 module..."
+sudo a2enmod php7.3 > /dev/null
+
+echo "* Restarting Apache..."
+sudo service apache2 restart > /dev/null
+
+echo "* Switching CLI PHP to 7.3..."
+sudo update-alternatives --set php /usr/bin/php7.3 > /dev/null
+
+echo "* Switch to PHP 7.3 complete."