diff --git a/plugins/calendar/composer.json b/plugins/calendar/composer.json
index 195ae845..80aa5a1f 100644
--- a/plugins/calendar/composer.json
+++ b/plugins/calendar/composer.json
@@ -4,7 +4,7 @@
     "description": "Calendar plugin",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.5",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
diff --git a/plugins/kolab_2fa/composer.json b/plugins/kolab_2fa/composer.json
index c728cd7e..b2a1d8af 100644
--- a/plugins/kolab_2fa/composer.json
+++ b/plugins/kolab_2fa/composer.json
@@ -4,7 +4,7 @@
     "description": "Kolab 2-Factor Authentication",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.2",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
diff --git a/plugins/kolab_activesync/composer.json b/plugins/kolab_activesync/composer.json
index dfc15402..de8012d6 100644
--- a/plugins/kolab_activesync/composer.json
+++ b/plugins/kolab_activesync/composer.json
@@ -4,7 +4,7 @@
     "description": "ActiveSync configuration utility for Kolab accounts",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.2",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
diff --git a/plugins/kolab_addressbook/composer.json b/plugins/kolab_addressbook/composer.json
index ebd52194..1b9863db 100644
--- a/plugins/kolab_addressbook/composer.json
+++ b/plugins/kolab_addressbook/composer.json
@@ -4,7 +4,7 @@
     "description": "Kolab addressbook",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.5",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
diff --git a/plugins/kolab_delegation/composer.json b/plugins/kolab_delegation/composer.json
index 5f1a9e5f..0fd1f481 100644
--- a/plugins/kolab_delegation/composer.json
+++ b/plugins/kolab_delegation/composer.json
@@ -4,7 +4,7 @@
     "description": "Kolab delegation feature",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.2",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Aleksander Machniak",
diff --git a/plugins/libcalendaring/composer.json b/plugins/libcalendaring/composer.json
index 79de6d20..905e5575 100644
--- a/plugins/libcalendaring/composer.json
+++ b/plugins/libcalendaring/composer.json
@@ -4,7 +4,7 @@
     "description": "Library providing common functions for calendaring plugins",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.2",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
diff --git a/plugins/libkolab/composer.json b/plugins/libkolab/composer.json
index fb5e5345..55572b78 100644
--- a/plugins/libkolab/composer.json
+++ b/plugins/libkolab/composer.json
@@ -4,7 +4,7 @@
     "description": "Plugin to setup a basic environment for the interaction with a Kolab server.",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.5",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Thomas Bruederli",
diff --git a/plugins/tasklist/composer.json b/plugins/tasklist/composer.json
index 315509a1..41970929 100644
--- a/plugins/tasklist/composer.json
+++ b/plugins/tasklist/composer.json
@@ -4,7 +4,7 @@
     "description": "Task management plugin",
     "homepage": "https://git.kolab.org/diffusion/RPK/",
     "license": "AGPLv3",
-    "version": "3.5.4",
+    "version": "3.5.6",
     "authors": [
         {
             "name": "Thomas Bruederli",