Index: .travis.yml
===================================================================
--- .travis.yml	(revision 43725)
+++ .travis.yml	(working copy)
@@ -12,14 +12,7 @@
     - WP_TRAVISCI=travis:phpunit
 matrix:
   include:
-  - php: 7.3.0RC1
-    sudo: required
-    dist: xenial
-    services: mysql
-    addons:
-      apt:
-        packages:
-          - libzip4
+  - php: 7.3
   - php: 7.2
     env: WP_TRAVISCI=travis:format
   - php: 7.1
@@ -41,7 +34,7 @@
   - php: nightly
   allow_failures:
   - php: nightly
-  - php: 7.3.0RC1
+  - php: 7.3
 before_install:
 - |
   if [[ "$WP_TRAVISCI" == "travis:phpunit" ]]; then
@@ -75,7 +68,7 @@
   # Install the specified version of PHPUnit depending on the PHP version:
   if [[ "$WP_TRAVISCI" == "travis:phpunit" ]]; then
     case "$TRAVIS_PHP_VERSION" in
-      7.3.0RC1|7.2|7.1|7.0|nightly)
+      7.3|7.2|7.1|7.0|nightly)
         echo "Using PHPUnit 6.x"
         travis_retry composer global require "phpunit/phpunit:^6"
         ;;