diff --git a/.travis.yml b/.travis.yml
index 26f2ef810d..c1e2cfd8b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,6 +26,9 @@ matrix:
           env: deps=high
         - php: 7.3
           env: deps=low
+        - php: 7.4snapshot
+    allow_failures:
+        - php: 7.4snapshot
     fast_finish: true
 
 cache:
@@ -178,7 +181,7 @@ before_install:
               [[ -e $ext_cache ]] || (tfold ext.symfony_debug "cd src/Symfony/Component/Debug/Resources/ext && phpize && ./configure && make && mv modules/symfony_debug.so $ext_cache && phpize --clean")
               echo extension = $ext_cache >> $INI
           elif [[ $PHP = 7.* ]]; then
-              tfold ext.apcu tpecl apcu-5.1.16 apcu.so $INI
+              tfold ext.apcu tpecl apcu-5.1.17 apcu.so $INI
               tfold ext.mongodb tpecl mongodb-1.6.0alpha1 mongodb.so $INI
           fi
       done
diff --git a/phpunit b/phpunit
index 6d5bdc279b..f2718fadcf 100755
--- a/phpunit
+++ b/phpunit
@@ -7,8 +7,12 @@ if (!file_exists(__DIR__.'/vendor/symfony/phpunit-bridge/bin/simple-phpunit')) {
     echo "Unable to find the `simple-phpunit` script in `vendor/symfony/phpunit-bridge/bin/`.\nPlease run `composer update` before running this command.\n";
     exit(1);
 }
-if (\PHP_VERSION_ID >= 70000 && !getenv('SYMFONY_PHPUNIT_VERSION')) {
-    putenv('SYMFONY_PHPUNIT_VERSION=6.5');
+if (!getenv('SYMFONY_PHPUNIT_VERSION')) {
+    if (\PHP_VERSION_ID >= 70400) {
+        putenv('SYMFONY_PHPUNIT_VERSION=8.2');
+    } elseif (\PHP_VERSION_ID >= 70000) {
+        putenv('SYMFONY_PHPUNIT_VERSION=6.5');
+    }
 }
 putenv('SYMFONY_PHPUNIT_DIR='.__DIR__.'/.phpunit');
 require __DIR__.'/vendor/symfony/phpunit-bridge/bin/simple-phpunit';