diff --git a/composer.json-dist b/composer.json-dist
index 427203494..e9aa03ea6 100644
--- a/composer.json-dist
+++ b/composer.json-dist
@@ -31,12 +31,12 @@
     "require": {
         "php": ">=5.3.7",
         "roundcube/plugin-installer": ">=0.1.5",
-        "pear/mail_mime": ">=1.8.9",
-        "pear/mail_mime-decode": "~1.5.5",
-        "pear/net_smtp": "dev-master",
         "pear-pear.php.net/auth_sasl": ">=1.0.6",
         "pear-pear.php.net/net_idna2": ">=0.1.1",
         "pear-pear.php.net/net_sieve": ">=1.3.2",
+        "pear/mail_mime": ">=1.8.9",
+        "pear/net_smtp": "dev-master",
+        "pear/mail_mime-decode": ">=1.5.5",
         "patchwork/utf8": "1.2.x"
     },
     "require-dev": {