diff --git a/.travis.yml b/.travis.yml
index 9dce331..2138189 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ dist: trusty
 
 env:
   global:
-    - COMPOSER_ROOT_VERSION="3.0.x-dev"
+    - COMPOSER_ROOT_VERSION="3.7.x-dev"
 
 matrix:
   include:
@@ -17,7 +17,7 @@ matrix:
     - php: 7.3
       env: DB=MYSQL INSTALLER_VERSION=4.4.x-dev PHPUNIT_TEST=1 SUBSITES=1
     - php: 7.3
-      env: DB=MYSQL INSTALLER_VERSION=4.x-dev PHPUNIT_TEST=1
+      env: DB=MYSQL INSTALLER_VERSION=4.6.x-dev PHPUNIT_TEST=1
 
 before_script:
   - phpenv rehash
diff --git a/composer.json b/composer.json
index 8c56bd7..8a4fc96 100644
--- a/composer.json
+++ b/composer.json
@@ -42,11 +42,6 @@
     "bin": [
         "bin/fulltextsearch_quickstart"
     ],
-    "extra": {
-        "branch-alias": {
-            "3.x-dev": "3.7.x-dev"
-        }
-    },
     "scripts": {
         "lint": "phpcs -s src/ tests/",
         "lint-clean": "phpcbf src/ tests/"