diff --git a/.travis.yml b/.travis.yml
index f44a866..5238d9d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,21 +3,21 @@ language: php
 sudo: false
 
 php:
-  - 5.6
   - 7.0
   - 7.1
+  - 7.2
 
 before_install:
     - phpenv config-rm xdebug.ini || return 0
     - echo "memory_limit=2G" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini || return 0
 
 install:
-    - travis_retry composer self-update
     - travis_retry composer install
-    - composer info -i
+    - composer info
 
 script:
   - vendor/bin/phpunit
+  - git log $(git describe --abbrev=0 --tags)...HEAD --no-merges --pretty=format:"* [%h](http://github.com/${TRAVIS_REPO_SLUG}/commit/%H) %s (%cN)"
 
 branches:
   only:
diff --git a/composer.json b/composer.json
index c242028..a56e3a4 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "type": "library",
   "license": "MIT",
   "require": {
-    "broadway/broadway": "^1.0"
+    "broadway/broadway": "^2.0"
   },
   "require-dev": {
     "phpunit/phpunit": "^5.2"
@@ -27,7 +27,7 @@
   },
   "extra": {
     "branch-alias": {
-      "dev-master": "0.2.x-dev"
+      "dev-master": "0.3.x-dev"
     }
   }
 }
diff --git a/src/EventSourcing/SnapshottingEventSourcingRepository.php b/src/EventSourcing/SnapshottingEventSourcingRepository.php
index ca51a67..90bc415 100644
--- a/src/EventSourcing/SnapshottingEventSourcingRepository.php
+++ b/src/EventSourcing/SnapshottingEventSourcingRepository.php
@@ -42,7 +42,7 @@ public function __construct(
     /**
      * {@inheritdoc}
      */
-    public function load($id)
+    public function load($id): AggregateRoot
     {
         $snapshot = $this->snapshotRepository->load($id);
         if (null === $snapshot) {
diff --git a/src/EventSourcing/Testing/TestEventSourcedAggregateRoot.php b/src/EventSourcing/Testing/TestEventSourcedAggregateRoot.php
index 7c2b9e8..96dd9b0 100644
--- a/src/EventSourcing/Testing/TestEventSourcedAggregateRoot.php
+++ b/src/EventSourcing/Testing/TestEventSourcedAggregateRoot.php
@@ -18,8 +18,8 @@ class TestEventSourcedAggregateRoot extends EventSourcedAggregateRoot
     /**
      * {@inheritdoc}
      */
-    public function getAggregateRootId()
+    public function getAggregateRootId(): string
     {
-        return 42;
+        return '42';
     }
 }