3 files changed, 3 insertions, 3 deletions

diff --git a/.travis.yml b/.travis.yml
index 9ffb3d00..88cc827d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,6 @@ php:
   - 7.0
   - 5.6
   - 5.5
-  - 5.4
-  - 5.3
 install:
   - composer self-update
   - composer install --prefer-dist
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21d5436c..cf5a85e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [v0.9.0](https://github.com/shaarli/Shaarli/releases/tag/v0.9.0) - UNPUBLISHED
 
+**WARNING**: Shaarli now requires PHP 5.5+. 
+
 ### Added
 
 ### Changed
diff --git a/composer.json b/composer.json
index f7d26a31..40b725d3 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     },
     "keywords": ["bookmark", "link", "share", "web"],
     "require": {
-        "php": ">=5.3.4",
+        "php": ">=5.5",
         "shaarli/netscape-bookmark-parser": "1.*",
         "erusev/parsedown": "1.6"
     },