diff --git a/.travis.yml b/.travis.yml
index 1ffb05b..dd1a196 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ before_install:
     - composer validate
 
 install:
-    - composer update --prefer-dist
+    - composer install --prefer-dist
     - tests/Application/bin/console doctrine:schema:create --env=test -vvv --no-interaction
     - tests/Application/bin/console fos:elastica:reset --env=test -vvv --no-interaction
 
diff --git a/README.md b/README.md
index 3ba7e30..17da7b4 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ Elastic search for Sylius.
         resource: "@LakionSyliusElasticSearchBundle/Resources/config/routing.yml"
     ```
 
-8. Configuration reference:
+9. Configuration reference:
 
     ```yaml
     lakion_sylius_elastic_search:
@@ -71,3 +71,14 @@ Elastic search for Sylius.
                     product_price:
                         type: price
     ```
+
+10. ElasticSearch server parameters ( optional ):
+
+    In order to change default ElasticSearch server parameters add this to `parameters.yml`:
+    ```yaml
+    fos_elastica_host: 127.0.0.1 # ElasticSearch host
+    fos_elastica_port: 9200 # ElasticSearch port
+
+    ```
+
+    Default values are: `host 127.0.0.1, port 9200`
diff --git a/composer.json b/composer.json
index 9307021..d3ca5f7 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     "require": {
         "php": "^5.6|^7.0",
 
-        "sylius/sylius": "dev-master",
+        "sylius/sylius": "^1.0@beta",
 
         "friendsofsymfony/elastica-bundle": "^4.0",
         "ongr/elasticsearch-dsl": "^2.0"
diff --git a/src/Resources/config/app/config.yml b/src/Resources/config/app/config.yml
index 9474c28..025835f 100644
--- a/src/Resources/config/app/config.yml
+++ b/src/Resources/config/app/config.yml
@@ -1,8 +1,11 @@
+imports:
+    - { resource: "parameters.yml" }
+
 fos_elastica:
     clients:
         default:
             servers:
-                - { host: 127.0.0.1, port: 9200 }
+                - { host: '%fos_elastica_host%', port: '%fos_elastica_port%' }
     indexes:
         sylius:
             client: default
diff --git a/src/Resources/config/app/parameters.yml b/src/Resources/config/app/parameters.yml
new file mode 100644
index 0000000..c1ac6d1
--- /dev/null
+++ b/src/Resources/config/app/parameters.yml
@@ -0,0 +1,3 @@
+parameters:
+    fos_elastica_host: 127.0.0.1
+    fos_elastica_port: 9200
diff --git a/tests/Application/app/config/config.yml b/tests/Application/app/config/config.yml
index f3b761c..4b2ed3b 100644
--- a/tests/Application/app/config/config.yml
+++ b/tests/Application/app/config/config.yml
@@ -1,6 +1,8 @@
 parameters:
     locale: "en_US"
     secret: "Three can keep a secret, if two of them are dead."
+    fos_elastica_host: 127.0.0.1
+    fos_elastica_port: 9200
 
 imports:
     - { resource: "@SyliusCoreBundle/Resources/config/app/config.yml" }
@@ -22,7 +24,6 @@ framework:
     validation: { enable_annotations: true }
     templating: { engines: ["twig"] }
     default_locale: "%locale%"
-    trusted_proxies: ~
     session:
         handler_id: ~
     test: ~