diff --git a/composer.json b/composer.json
index fc4c2bbaf2af610c08cc401d3c02ec47ff4a59a3..1b0cca96339e164fa2360b58d9aa0ce3b8a86c74 100644
--- a/composer.json
+++ b/composer.json
@@ -12,11 +12,11 @@
 	},
 	"require": {
 		"php": ">=5.6.0",
-		"pear-pear.horde.org/Horde_Date": "^2.4.0@stable",
+		"pear-pear.horde.org/Horde_Date": "^2.4.1@stable",
 		"pear-pear.horde.org/Horde_Exception": "^2.0.8@stable",
-		"pear-pear.horde.org/Horde_Imap_Client": "^2.29.14@stable",
+		"pear-pear.horde.org/Horde_Imap_Client": "^2.29.15@stable",
 		"pear-pear.horde.org/Horde_Mail": "^2.6.4@stable",
-		"pear-pear.horde.org/Horde_Mime": "^2.10.3@stable",
+		"pear-pear.horde.org/Horde_Mime": "^2.11.0@stable",
 		"pear-pear.horde.org/Horde_Nls": "^2.2.1@stable",
 		"pear-pear.horde.org/Horde_Stream": "^1.6.3@stable",
 		"pear-pear.horde.org/Horde_Support": "^2.2.0@stable",
diff --git a/composer.lock b/composer.lock
index bb6e880072224707d5edc19992229d9c44d0da24..a1822b7c32fa784145568f3a3182621d09ce4a0f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "ebb6e95d8b232dfab150527de78e504e",
+    "content-hash": "108c1c4a81c2fb3ce761c0e92c7822dd",
     "packages": [
         {
             "name": "arthurhoaro/favicon",
@@ -233,7 +233,7 @@
             ],
             "description": "Autolink URLs in text or html",
             "homepage": "http://www.kwi.dk/projects/php/UrlLinker/",
-            "time": "2014-12-28T23:05:00+00:00"
+            "time": "2014-12-28T22:05:00+00:00"
         },
         {
             "name": "pear-pear.horde.org/Horde_Crypt_Blowfish",
@@ -468,16 +468,16 @@
         },
         {
             "name": "pear-pear.horde.org/Horde_Mime",
-            "version": "2.10.3",
+            "version": "2.11.0",
             "dist": {
                 "type": "file",
-                "url": "https://pear.horde.org/get/Horde_Mime-2.10.3.tgz",
+                "url": "https://pear.horde.org/get/Horde_Mime-2.11.0.tgz",
                 "reference": null,
                 "shasum": null
             },
             "require": {
                 "pear-pear.horde.org/horde_exception": "<3.0.0.0",
-                "pear-pear.horde.org/horde_listheaders": ">=1.2.0.0,<=2.0.0.0,!=3.0.0.0",
+                "pear-pear.horde.org/horde_listheaders": "<2.0.0.0",
                 "pear-pear.horde.org/horde_mail": "<3.0.0.0",
                 "pear-pear.horde.org/horde_stream": "<2.0.0.0",
                 "pear-pear.horde.org/horde_stream_filter": "<3.0.0.0",
@@ -488,7 +488,7 @@
                 "php": "<8.0.0.0"
             },
             "replace": {
-                "pear-horde/horde_mime": "== 2.10.3.0"
+                "pear-horde/horde_mime": "== 2.11.0.0"
             },
             "type": "pear-library",
             "autoload": {
@@ -2117,16 +2117,16 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.4.1",
+            "version": "v3.4.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "f6a99b95b338799645fe9f7880d7d4ca1bf79cc1"
+                "reference": "25c192f25721a74084272671f658797d9e0e0146"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/f6a99b95b338799645fe9f7880d7d4ca1bf79cc1",
-                "reference": "f6a99b95b338799645fe9f7880d7d4ca1bf79cc1",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/25c192f25721a74084272671f658797d9e0e0146",
+                "reference": "25c192f25721a74084272671f658797d9e0e0146",
                 "shasum": ""
             },
             "require": {
@@ -2171,7 +2171,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-04T18:15:22+00:00"
+            "time": "2018-01-03T07:37:34+00:00"
         },
         {
             "name": "webmozart/assert",