diff --git a/plugins/calendar/composer.json b/plugins/calendar/composer.json
index 6186274c..a580b2fd 100644
--- a/plugins/calendar/composer.json
+++ b/plugins/calendar/composer.json
@@ -1,32 +1,32 @@
 {
     "name": "kolab/calendar",
     "type": "roundcube-plugin",
     "description": "Calendar plugin",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.4.5",
+    "version": "3.4.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
             "email": "bruederli@kolabsys.com",
             "role": "Lead"
         },
         {
             "name": "Aleksander Machniak",
             "email": "machniak@kolabsys.com",
             "role": "Developer"
         }
     ],
     "repositories": [
         {
             "type": "composer",
             "url": "https://plugins.roundcube.net"
         }
     ],
     "require": {
         "php": ">=5.3.0",
         "roundcube/plugin-installer": ">=0.1.3",
         "kolab/libcalendaring": ">=3.4.0",
         "kolab/libkolab": ">=3.4.0"
     }
 }
diff --git a/plugins/libcalendaring/composer.json b/plugins/libcalendaring/composer.json
index d0e4f3c2..80503b76 100644
--- a/plugins/libcalendaring/composer.json
+++ b/plugins/libcalendaring/composer.json
@@ -1,26 +1,26 @@
 {
     "name": "kolab/libcalendaring",
     "type": "roundcube-plugin",
     "description": "Library providing common functions for calendaring plugins",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.4.5",
+    "version": "3.4.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
             "email": "bruederli@kolabsys.com",
             "role": "Lead"
         }
     ],
     "repositories": [
         {
             "type": "composer",
             "url": "https://plugins.roundcube.net"
         }
     ],
     "require": {
         "php": ">=5.4.0",
         "roundcube/plugin-installer": ">=0.1.3",
         "sabre/vobject": "~3.3.3"
     }
 }
diff --git a/plugins/libkolab/composer.json b/plugins/libkolab/composer.json
index a1f6532d..ecb6ca79 100644
--- a/plugins/libkolab/composer.json
+++ b/plugins/libkolab/composer.json
@@ -1,32 +1,32 @@
 {
     "name": "kolab/libkolab",
     "type": "roundcube-plugin",
     "description": "Plugin to setup a basic environment for the interaction with a Kolab server.",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.4.5",
+    "version": "3.4.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
             "email": "bruederli@kolabsys.com",
             "role": "Lead"
         },
         {
             "name": "Aleksander Machniak",
             "email": "machniak@kolabsys.com",
             "role": "Developer"
         }
     ],
     "repositories": [
         {
             "type": "composer",
             "url": "https://plugins.roundcube.net"
         }
     ],
     "require": {
         "php": ">=5.3.0",
         "roundcube/plugin-installer": ">=0.1.3",
         "pear/http_request2": "~2.3.0",
         "caxy/php-htmldiff": "~0.1.7"
     }
 }
diff --git a/plugins/tasklist/composer.json b/plugins/tasklist/composer.json
index a1b3844f..62d0cdee 100644
--- a/plugins/tasklist/composer.json
+++ b/plugins/tasklist/composer.json
@@ -1,28 +1,28 @@
 {
     "name": "kolab/tasklist",
     "type": "roundcube-plugin",
     "description": "Task management plugin",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.4.5",
+    "version": "3.4.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
             "email": "bruederli@kolabsys.com",
             "role": "Lead"
         }
     ],
     "repositories": [
         {
             "type": "composer",
             "url": "https://plugins.roundcube.net"
         }
     ],
     "require": {
         "php": ">=5.3.0",
         "roundcube/plugin-installer": ">=0.1.3",
         "kolab/libcalendaring": ">=3.4.0",
         "kolab/libkolab": ">=3.4.0",
         "roundcube/jqueryui": ">=1.10.4"
     }
 }