diff --git a/.travis.yml b/.travis.yml
index de0f5b8f..341921de 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
   - nightly
   - hhvm
 
@@ -31,11 +32,12 @@ matrix:
     - php: 5.6
       env: INSTALL_VICH_UPLOADER_BUNDLE=true SYMFONY_PHPUNIT_VERSION="5.7.27"
     - php: 7.2
-      env: SYMFONY_VERSION="^4.2@dev" SYMFONY_PHPUNIT_VERSION="7.4.4"
+    - php: 7.3
+      env: SYMFONY_VERSION="^4.3@dev" SYMFONY_PHPUNIT_VERSION="7.4.4"
   allow_failures:
     - php: nightly
     - php: hhvm
-    - env: SYMFONY_VERSION="^4.2@dev" SYMFONY_PHPUNIT_VERSION="7.4.4"
+    - env: SYMFONY_VERSION="^4.3@dev" SYMFONY_PHPUNIT_VERSION="7.4.4"
 
 sudo: false
 
diff --git a/composer.json b/composer.json
index 22dec7bb..4b3c573b 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
         "php": "^5.6 || ^7.0",
         "doctrine/doctrine-bundle": "^1.4",
         "doctrine/orm": "^2.4.8",
-        "knplabs/knp-paginator-bundle": "^2.3",
+        "knplabs/knp-paginator-bundle": "^2.3 || ^3.0",
         "symfony/config": "^2.8 || ^3.0 || ^4.0",
         "symfony/console": "^2.8 || ^3.0 || ^4.0",
         "symfony/dependency-injection": "^2.8 || ^3.0 || ^4.0",
@@ -66,7 +66,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.0-dev"
+            "dev-master": "3.1-dev"
         }
     }
 }