diff --git a/.travis.yml b/.travis.yml
index 1312de3..1fdde25 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,9 +2,8 @@ language: php
 
 matrix:
     include:
-        - php: 7.0
-          env: deps=low
         - php: 7.1
+          env: deps=low
         - php: 7.2
         - php: 7.3
     fast_finish: true
diff --git a/composer.json b/composer.json
index 1351377..cbaea75 100644
--- a/composer.json
+++ b/composer.json
@@ -20,20 +20,20 @@
         }
     ],
     "require": {
-        "php": ">=7.0",
+        "php": ">=7.1.3,<7.4",
         "behat/behat": "^3.3",
         "behat/mink": "^1.7",
         "behat/mink-extension": "^2.2",
-        "ocramius/proxy-manager": "^2.0.4"
+        "ocramius/proxy-manager": "^2.1.1"
     },
     "require-dev": {
         "behat/mink-goutte-driver": "^1.2",
-        "bossa/phpspec2-expect": "^2.2",
+        "bossa/phpspec2-expect": "^3.1",
         "fabpot/goutte": "^3.2",
-        "phpspec/phpspec": "^3.3",
-        "symfony/filesystem": "^3.2 || ^4.0",
-        "symfony/process": "^3.2 || ^4.0",
-        "symfony/yaml": "^3.2 || ^4.0"
+        "phpspec/phpspec": "^5.1",
+        "symfony/filesystem": "^4.2",
+        "symfony/process": "^4.2",
+        "symfony/yaml": "^4.2"
     },
     "suggest": {
         "bossa/phpspec2-expect": "Allows to use PHPSpec2 matchers in Behat context files"
diff --git a/features/injecting_a_page_object_directly_into_the_context.feature b/features/injecting_a_page_object_directly_into_the_context.feature
index 998e7fd..550a656 100644
--- a/features/injecting_a_page_object_directly_into_the_context.feature
+++ b/features/injecting_a_page_object_directly_into_the_context.feature
@@ -118,7 +118,7 @@ Feature: Injecting a page object directly into the context
       extensions:
         SensioLabs\Behat\PageObjectExtension:
           factory:
-            proxies_target_dir: %paths.base%/tmp/
+            proxies_target_dir: '%paths.base%/tmp/'
         Behat\MinkExtension:
           goutte: ~
           base_url: http://localhost:8000