diff --git a/application/pom.xml b/application/pom.xml
index 8a12fe05bb..828fcc2efd 100644
--- a/application/pom.xml
+++ b/application/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>application</artifactId>
diff --git a/common/actor/pom.xml b/common/actor/pom.xml
index 9dea3c57a3..66a9883a14 100644
--- a/common/actor/pom.xml
+++ b/common/actor/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/dao-api/pom.xml b/common/dao-api/pom.xml
index d50399525e..fb5720eb9b 100644
--- a/common/dao-api/pom.xml
+++ b/common/dao-api/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/data/pom.xml b/common/data/pom.xml
index b2dd156acb..3edbcdb87d 100644
--- a/common/data/pom.xml
+++ b/common/data/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/message/pom.xml b/common/message/pom.xml
index bcff40ce4d..8e43c70911 100644
--- a/common/message/pom.xml
+++ b/common/message/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/pom.xml b/common/pom.xml
index 5ceae3ea57..9421aed1b4 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>common</artifactId>
diff --git a/common/queue/pom.xml b/common/queue/pom.xml
index 54cd24f66d..eae5af22e1 100644
--- a/common/queue/pom.xml
+++ b/common/queue/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/stats/pom.xml b/common/stats/pom.xml
index 8cf70c7498..5c9129a919 100644
--- a/common/stats/pom.xml
+++ b/common/stats/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/transport/coap/pom.xml b/common/transport/coap/pom.xml
index e775286bdd..3c45a7000f 100644
--- a/common/transport/coap/pom.xml
+++ b/common/transport/coap/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/transport/http/pom.xml b/common/transport/http/pom.xml
index ab60e6d4eb..9b60bfb470 100644
--- a/common/transport/http/pom.xml
+++ b/common/transport/http/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/transport/mqtt/pom.xml b/common/transport/mqtt/pom.xml
index 8b043b8c2e..26008b6d4a 100644
--- a/common/transport/mqtt/pom.xml
+++ b/common/transport/mqtt/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/transport/pom.xml b/common/transport/pom.xml
index 22b17989c9..7531c614e5 100644
--- a/common/transport/pom.xml
+++ b/common/transport/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/transport/transport-api/pom.xml b/common/transport/transport-api/pom.xml
index d61963053e..df2a577851 100644
--- a/common/transport/transport-api/pom.xml
+++ b/common/transport/transport-api/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/util/pom.xml b/common/util/pom.xml
index 474db1270e..603e365243 100644
--- a/common/util/pom.xml
+++ b/common/util/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/dao/pom.xml b/dao/pom.xml
index 907ddb7150..05eb2a2f96 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>dao</artifactId>
diff --git a/msa/black-box-tests/pom.xml b/msa/black-box-tests/pom.xml
index 339b60741f..a0e865c7c9 100644
--- a/msa/black-box-tests/pom.xml
+++ b/msa/black-box-tests/pom.xml
@@ -21,7 +21,7 @@
 
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/js-executor/pom.xml b/msa/js-executor/pom.xml
index 692b371275..96c01b98d7 100644
--- a/msa/js-executor/pom.xml
+++ b/msa/js-executor/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/pom.xml b/msa/pom.xml
index cfdf6ed79f..a7cac82052 100644
--- a/msa/pom.xml
+++ b/msa/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>msa</artifactId>
diff --git a/msa/tb-node/pom.xml b/msa/tb-node/pom.xml
index ad700779a9..2213bccd20 100644
--- a/msa/tb-node/pom.xml
+++ b/msa/tb-node/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/tb/pom.xml b/msa/tb/pom.xml
index d1901a3e33..ef2d3eaa16 100644
--- a/msa/tb/pom.xml
+++ b/msa/tb/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/transport/coap/pom.xml b/msa/transport/coap/pom.xml
index ad09511f36..919ace3232 100644
--- a/msa/transport/coap/pom.xml
+++ b/msa/transport/coap/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.msa</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/transport/http/pom.xml b/msa/transport/http/pom.xml
index 97196bb879..7d492eb851 100644
--- a/msa/transport/http/pom.xml
+++ b/msa/transport/http/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.msa</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/transport/mqtt/pom.xml b/msa/transport/mqtt/pom.xml
index 79a26aeef3..dc3b23bd26 100644
--- a/msa/transport/mqtt/pom.xml
+++ b/msa/transport/mqtt/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.msa</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/transport/pom.xml b/msa/transport/pom.xml
index 5a8b79d9d9..d8064680b8 100644
--- a/msa/transport/pom.xml
+++ b/msa/transport/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/web-ui/pom.xml b/msa/web-ui/pom.xml
index 2902ea1c85..5678845000 100644
--- a/msa/web-ui/pom.xml
+++ b/msa/web-ui/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/netty-mqtt/pom.xml b/netty-mqtt/pom.xml
index e917ce23f7..266a9bb235 100644
--- a/netty-mqtt/pom.xml
+++ b/netty-mqtt/pom.xml
@@ -19,11 +19,11 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>netty-mqtt</artifactId>
-    <version>3.2.1-SNAPSHOT</version>
+    <version>2.5.6-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Netty MQTT Client</name>
diff --git a/pom.xml b/pom.xml
index 257328b550..425d26736a 100755
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.thingsboard</groupId>
     <artifactId>thingsboard</artifactId>
-    <version>3.2.1-SNAPSHOT</version>
+    <version>2.5.6-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Thingsboard</name>
diff --git a/rest-client/pom.xml b/rest-client/pom.xml
index 89f6b33a02..5cdc05438b 100644
--- a/rest-client/pom.xml
+++ b/rest-client/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>rest-client</artifactId>
diff --git a/rule-engine/pom.xml b/rule-engine/pom.xml
index 43bd3859af..98d7054f8c 100644
--- a/rule-engine/pom.xml
+++ b/rule-engine/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>rule-engine</artifactId>
diff --git a/rule-engine/rule-engine-api/pom.xml b/rule-engine/rule-engine-api/pom.xml
index 448b5f8760..2e868380a4 100644
--- a/rule-engine/rule-engine-api/pom.xml
+++ b/rule-engine/rule-engine-api/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>rule-engine</artifactId>
     </parent>
     <groupId>org.thingsboard.rule-engine</groupId>
diff --git a/rule-engine/rule-engine-components/pom.xml b/rule-engine/rule-engine-components/pom.xml
index 9fb02ec1f0..748593b1e8 100644
--- a/rule-engine/rule-engine-components/pom.xml
+++ b/rule-engine/rule-engine-components/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>rule-engine</artifactId>
     </parent>
     <groupId>org.thingsboard.rule-engine</groupId>
diff --git a/tools/pom.xml b/tools/pom.xml
index b3fce1373f..2744bdfeeb 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>tools</artifactId>
diff --git a/transport/coap/pom.xml b/transport/coap/pom.xml
index 94cb8e88a9..9c53882520 100644
--- a/transport/coap/pom.xml
+++ b/transport/coap/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.transport</groupId>
diff --git a/transport/http/pom.xml b/transport/http/pom.xml
index 59cfef95f0..6255717009 100644
--- a/transport/http/pom.xml
+++ b/transport/http/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.transport</groupId>
diff --git a/transport/mqtt/pom.xml b/transport/mqtt/pom.xml
index b2ba041e0b..b5294309df 100644
--- a/transport/mqtt/pom.xml
+++ b/transport/mqtt/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.transport</groupId>
diff --git a/transport/pom.xml b/transport/pom.xml
index d477fc7de2..ca50c573d2 100644
--- a/transport/pom.xml
+++ b/transport/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>transport</artifactId>
diff --git a/ui-ngx/pom.xml b/ui-ngx/pom.xml
index 0420401dbe..3b945801e1 100644
--- a/ui-ngx/pom.xml
+++ b/ui-ngx/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.2.1-SNAPSHOT</version>
+        <version>2.5.6-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <groupId>org.thingsboard</groupId>