5 files changed, 5 insertions, 6 deletions

diff --git a/.travis.yml b/.travis.yml
index 29ca7dc3..77872f49 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,7 +24,6 @@ cache:
         - $HOME/.npm
 
 php:
-    - 5.5
     - 5.6
     - 7.0
     - 7.1
diff --git a/composer.json b/composer.json
index c43d2dcf..ed0e30c1 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
         "issues": "https://github.com/wallabag/wallabag/issues"
     },
     "require": {
-        "php": ">=5.5.9",
+        "php": ">=5.6.0",
         "ext-pcre": "*",
         "ext-dom": "*",
         "ext-curl": "*",
@@ -130,7 +130,7 @@
     "config": {
         "bin-dir": "bin",
         "platform": {
-            "php": "5.5.9"
+            "php": "5.6.0"
         }
     },
     "minimum-stability": "dev",
diff --git a/docs/de/user/installation.rst b/docs/de/user/installation.rst
index 0de6b6de..8393455a 100644
--- a/docs/de/user/installation.rst
+++ b/docs/de/user/installation.rst
@@ -4,7 +4,7 @@ Installation von wallabag
 Voraussetzungen
 ---------------
 
-wallabag ist kompatibel mit PHP >= 5.5, inkl. PHP 7.
+wallabag ist kompatibel mit **PHP >= 5.6**, inkl. PHP 7.
 
 .. note::
 
diff --git a/docs/en/user/installation.rst b/docs/en/user/installation.rst
index 2b730b83..2c4b8749 100644
--- a/docs/en/user/installation.rst
+++ b/docs/en/user/installation.rst
@@ -4,7 +4,7 @@ Install wallabag
 Requirements
 ------------
 
-wallabag is compatible with PHP >= 5.5, including PHP 7.
+wallabag is compatible with **PHP >= 5.6**, including PHP 7.
 
 .. note::
 
diff --git a/docs/fr/user/installation.rst b/docs/fr/user/installation.rst
index 5d29cb01..9dcb0efb 100644
--- a/docs/fr/user/installation.rst
+++ b/docs/fr/user/installation.rst
@@ -4,7 +4,7 @@ Installer wallabag
 Pré-requis
 ------------
 
-wallabag est compatible avec PHP >= 5.5, PHP 7 inclus.
+wallabag est compatible avec **PHP >= 5.6**, PHP 7 inclus.
 
 .. note::