diff --git a/.htaccess b/.htaccess
index fd7bd29..c29b0d5 100644
--- a/.htaccess
+++ b/.htaccess
@@ -39,6 +39,9 @@ AddEncoding gzip svgz
   php_value mbstring.http_input             pass
   php_value mbstring.http_output            pass
   php_flag mbstring.encoding_translation    off
+  # PHP 5.6 has deprecated $HTTP_RAW_POST_DATA and produces warnings if this is
+  # not set.
+  php_value always_populate_raw_post_data   -1
 </IfModule>
 
 # Requires mod_expires to be enabled.