diff --git a/modules/siddhi-core/pom.xml b/modules/siddhi-core/pom.xml
index 4ab4b0faea..c8927f5d4f 100644
--- a/modules/siddhi-core/pom.xml
+++ b/modules/siddhi-core/pom.xml
@@ -13,14 +13,12 @@
   ~ CONDITIONS OF ANY KIND, either express or implied.  See the License for the
   ~ specific language governing permissions and limitations under the License.
   -->
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
     <parent>
         <artifactId>siddhi</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../../pom.xml</relativePath>
 
     </parent>
diff --git a/modules/siddhi-extensions/eval-script/pom.xml b/modules/siddhi-extensions/eval-script/pom.xml
index a076efc435..774697a0f4 100644
--- a/modules/siddhi-extensions/eval-script/pom.xml
+++ b/modules/siddhi-extensions/eval-script/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>siddhi-extensions</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-extensions/event-table/pom.xml b/modules/siddhi-extensions/event-table/pom.xml
index 359b4e8dfa..005e81671b 100644
--- a/modules/siddhi-extensions/event-table/pom.xml
+++ b/modules/siddhi-extensions/event-table/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.wso2.siddhi</groupId>
         <artifactId>siddhi-extensions</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-extensions/geo/pom.xml b/modules/siddhi-extensions/geo/pom.xml
index aca75759bb..365d37ee7a 100644
--- a/modules/siddhi-extensions/geo/pom.xml
+++ b/modules/siddhi-extensions/geo/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>siddhi-extensions</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-extensions/math/pom.xml b/modules/siddhi-extensions/math/pom.xml
index b1c58ee377..f8f817ed9e 100644
--- a/modules/siddhi-extensions/math/pom.xml
+++ b/modules/siddhi-extensions/math/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.wso2.siddhi</groupId>
         <artifactId>siddhi-extensions</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-extensions/pom.xml b/modules/siddhi-extensions/pom.xml
index 94fed605c8..234eef3e60 100644
--- a/modules/siddhi-extensions/pom.xml
+++ b/modules/siddhi-extensions/pom.xml
@@ -16,13 +16,11 @@
 ~ specific language governing permissions and limitations
 ~ under the License.
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>siddhi</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-extensions/regex/pom.xml b/modules/siddhi-extensions/regex/pom.xml
index 5f31224bf2..0ca664a1c3 100644
--- a/modules/siddhi-extensions/regex/pom.xml
+++ b/modules/siddhi-extensions/regex/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.wso2.siddhi</groupId>
         <artifactId>siddhi-extensions</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-extensions/string/pom.xml b/modules/siddhi-extensions/string/pom.xml
index 45fae5d5ba..7bf94f0a53 100644
--- a/modules/siddhi-extensions/string/pom.xml
+++ b/modules/siddhi-extensions/string/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.wso2.siddhi</groupId>
         <artifactId>siddhi-extensions</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-extensions/time/pom.xml b/modules/siddhi-extensions/time/pom.xml
index e3729bc6fc..977244e98e 100644
--- a/modules/siddhi-extensions/time/pom.xml
+++ b/modules/siddhi-extensions/time/pom.xml
@@ -16,13 +16,11 @@
 ~ specific language governing permissions and limitations
 ~ under the License.
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.wso2.siddhi</groupId>
         <artifactId>siddhi-extensions</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-query-api/pom.xml b/modules/siddhi-query-api/pom.xml
index 3223bb08a6..8b93c018d6 100644
--- a/modules/siddhi-query-api/pom.xml
+++ b/modules/siddhi-query-api/pom.xml
@@ -13,13 +13,11 @@
   ~ CONDITIONS OF ANY KIND, either express or implied.  See the License for the
   ~ specific language governing permissions and limitations under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>siddhi</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../../pom.xml</relativePath>
 
     </parent>
diff --git a/modules/siddhi-query-compiler/pom.xml b/modules/siddhi-query-compiler/pom.xml
index 55d1266b9b..4481fa82e1 100644
--- a/modules/siddhi-query-compiler/pom.xml
+++ b/modules/siddhi-query-compiler/pom.xml
@@ -13,13 +13,11 @@
   ~ CONDITIONS OF ANY KIND, either express or implied.  See the License for the
   ~ specific language governing permissions and limitations under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>siddhi</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/siddhi-samples/performance-samples/pom.xml b/modules/siddhi-samples/performance-samples/pom.xml
index 4b6ec8c68b..8c01481144 100644
--- a/modules/siddhi-samples/performance-samples/pom.xml
+++ b/modules/siddhi-samples/performance-samples/pom.xml
@@ -14,13 +14,11 @@
   ~ specific language governing permissions and limitations under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.wso2.siddhi</groupId>
         <artifactId>siddhi-samples</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>performance-samples</artifactId>
diff --git a/modules/siddhi-samples/pom.xml b/modules/siddhi-samples/pom.xml
index 2be9a05dee..ce76ed21d1 100644
--- a/modules/siddhi-samples/pom.xml
+++ b/modules/siddhi-samples/pom.xml
@@ -13,13 +13,11 @@
   ~ CONDITIONS OF ANY KIND, either express or implied.  See the License for the
   ~ specific language governing permissions and limitations under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>siddhi</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
         <relativePath>../../pom.xml</relativePath>
 
     </parent>
diff --git a/modules/siddhi-samples/quick-start-samples/pom.xml b/modules/siddhi-samples/quick-start-samples/pom.xml
index c90d7a3ea5..ee2a3ec746 100644
--- a/modules/siddhi-samples/quick-start-samples/pom.xml
+++ b/modules/siddhi-samples/quick-start-samples/pom.xml
@@ -14,13 +14,11 @@
   ~ specific language governing permissions and limitations under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>siddhi-samples</artifactId>
         <groupId>org.wso2.siddhi</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 27ff4ae033..fa71f0dd40 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,9 +14,7 @@
   ~ specific language governing permissions and limitations under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
@@ -28,7 +26,7 @@
     <groupId>org.wso2.siddhi</groupId>
     <artifactId>siddhi</artifactId>
     <packaging>pom</packaging>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M1</version>
     <name>Siddhi</name>
     <description>Siddhi, high performing Complex Event Processing Engine</description>
 
@@ -297,7 +295,7 @@
         <url>https://github.com/wso2/siddhi.git</url>
         <developerConnection>scm:git:https://github.com/wso2/siddhi.git</developerConnection>
         <connection>scm:git:https://github.com/wso2/siddhi.git</connection>
-        <tag>HEAD</tag>
+        <tag>siddhi-3.0.0-M1</tag>
     </scm>
 
     <repositories>