diff --git a/.travis.yml b/.travis.yml
index f895681..3abde67 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,6 +27,7 @@ matrix:
       env: PHP_BIN=php-cgi
 
 install:
+  - composer self-update
   - composer install --prefer-source --no-interaction --optimize-autoloader
 
 before_script:
diff --git a/composer.json b/composer.json
index 6f292c6..c10742a 100644
--- a/composer.json
+++ b/composer.json
@@ -39,5 +39,8 @@
 	},
 	"autoload-dev": {
 		"classmap": ["tests/CronnerTests/objects"]
+	},
+	"config": {
+		"disable-tls": true
 	}
 }