diff --git a/php.nanorc b/php.nanorc
index 8021cac..1ed281c 100644
--- a/php.nanorc
+++ b/php.nanorc
@@ -5,7 +5,7 @@ color white start="<\?(php|=)?" end="\?>"
 color brightblue "([a-zA-Z0-9_-]*)\("
 # Constructs
 color brightblue "(class|extends|goto) ([a-zA-Z0-9_]*)"
-color green "[^a-z0-9_-]{1}(var|class|function|echo|case|break|default|exit|switch|if|else|elseif|endif|foreach|endforeach|@|while|public|private|protected|return|true|false|null|TRUE|FALSE|NULL|const|static|extends|as|array|require|include|require_once|include_once|define|do|continue|declare|goto|print|in)[^a-z0-9_-]{1}"
+color green "[^a-z0-9_-]{1}(var|class|function|echo|case|break|default|exit|switch|if|else|elseif|endif|foreach|endforeach|@|while|public|private|protected|return|true|false|null|TRUE|FALSE|NULL|const|static|extends|as|array|require|include|require_once|include_once|define|do|continue|declare|goto|print|in|namespace|use)[^a-z0-9_-]{1}"
 color brightblue "[a-zA-Z0-9]+:"
 # Variables
 color white "\$[a-zA-Z_0-9$]*|[=!<>]"