diff --git a/archetype-examples/pom.xml b/archetype-examples/pom.xml
index c5dfacb51..2e88856f8 100644
--- a/archetype-examples/pom.xml
+++ b/archetype-examples/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
     </parent>
 
     <build>
diff --git a/archetype/pom.xml b/archetype/pom.xml
index 59a44bb53..ad7292f4f 100644
--- a/archetype/pom.xml
+++ b/archetype/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
     </parent>
 
     <build>
diff --git a/chassis/configuration/pom.xml b/chassis/configuration/pom.xml
index 4fe30e150..adfc9da5b 100644
--- a/chassis/configuration/pom.xml
+++ b/chassis/configuration/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/coordinator.http/pom.xml b/chassis/coordinator.http/pom.xml
index 64d8f1365..3b1fd2ef8 100644
--- a/chassis/coordinator.http/pom.xml
+++ b/chassis/coordinator.http/pom.xml
@@ -32,7 +32,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/coordinator.zookeeper/pom.xml b/chassis/coordinator.zookeeper/pom.xml
index 891b22f1e..039336a3c 100644
--- a/chassis/coordinator.zookeeper/pom.xml
+++ b/chassis/coordinator.zookeeper/pom.xml
@@ -32,7 +32,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/coordinator/pom.xml b/chassis/coordinator/pom.xml
index 18cbd6ac7..5fe451a6b 100644
--- a/chassis/coordinator/pom.xml
+++ b/chassis/coordinator/pom.xml
@@ -32,7 +32,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/core/pom.xml b/chassis/core/pom.xml
index 7e6bb3f0a..668edd180 100644
--- a/chassis/core/pom.xml
+++ b/chassis/core/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/invoker.hessian/pom.xml b/chassis/invoker.hessian/pom.xml
index 7c09b78b6..989b74e53 100644
--- a/chassis/invoker.hessian/pom.xml
+++ b/chassis/invoker.hessian/pom.xml
@@ -32,7 +32,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/invokers/pom.xml b/chassis/invokers/pom.xml
index 0a82d4a15..abcd3991b 100644
--- a/chassis/invokers/pom.xml
+++ b/chassis/invokers/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/pom.xml b/chassis/pom.xml
index 2368340c1..2d3becd02 100644
--- a/chassis/pom.xml
+++ b/chassis/pom.xml
@@ -23,7 +23,7 @@
 
     <groupId>com.griddynamics.jagger</groupId>
     <artifactId>chassis.parent</artifactId>
-    <version>1.2.6-SNAPSHOT</version>
+    <version>1.2.6-m1</version>
     <packaging>pom</packaging>
 
     <name>${groupId}.${artifactId}</name>
@@ -32,7 +32,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/providers/pom.xml b/chassis/providers/pom.xml
index afb705854..cc43fb522 100644
--- a/chassis/providers/pom.xml
+++ b/chassis/providers/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/chassis/spring.schema/pom.xml b/chassis/spring.schema/pom.xml
index e820dc49a..d97e98c3c 100644
--- a/chassis/spring.schema/pom.xml
+++ b/chassis/spring.schema/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>chassis.parent</artifactId>
         <groupId>com.griddynamics.jagger</groupId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>chassis.spring.schema</artifactId>
diff --git a/chassis/util/pom.xml b/chassis/util/pom.xml
index 69d715132..58bd95668 100644
--- a/chassis/util/pom.xml
+++ b/chassis/util/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>chassis.parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/dbapi/pom.xml b/dbapi/pom.xml
index c48a7f601..1834e4c80 100644
--- a/dbapi/pom.xml
+++ b/dbapi/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.griddynamics.jagger</groupId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/diagnostics/pom.xml b/diagnostics/pom.xml
index 434a201e9..5990420e8 100644
--- a/diagnostics/pom.xml
+++ b/diagnostics/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/distribution/pom.xml b/distribution/pom.xml
index e0621eb8d..989a26c63 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/monitoring/agent/pom.xml b/monitoring/agent/pom.xml
index 9af03161d..d9a0b279a 100644
--- a/monitoring/agent/pom.xml
+++ b/monitoring/agent/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 001ede5d1..3ae97db04 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 
     <groupId>com.griddynamics.jagger</groupId>
     <artifactId>parent</artifactId>
-    <version>1.2.6-SNAPSHOT</version>
+    <version>1.2.6-m1</version>
     <packaging>pom</packaging>
 
     <name>${groupId}.${artifactId}</name>
diff --git a/test/jagger-test/pom.xml b/test/jagger-test/pom.xml
index 4242c3457..edb797146 100644
--- a/test/jagger-test/pom.xml
+++ b/test/jagger-test/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/test/test-target/pom.xml b/test/test-target/pom.xml
index 70ecc7093..110d1a73b 100644
--- a/test/test-target/pom.xml
+++ b/test/test-target/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/webclient/pom.xml b/webclient/pom.xml
index b502bd8e4..db9b41e58 100644
--- a/webclient/pom.xml
+++ b/webclient/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <groupId>com.griddynamics.jagger</groupId>
         <artifactId>parent</artifactId>
-        <version>1.2.6-SNAPSHOT</version>
+        <version>1.2.6-m1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>