[maven-release-plugin] prepare release v2.4.0-rc1
diff --git a/common/pom.xml b/common/pom.xml
index 0e443ec..e6ca1fa 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 05a311f..603e0f6 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.bahir</groupId>
         <artifactId>bahir-parent_2.12</artifactId>
-        <version>2.4.0-SNAPSHOT</version>
+        <version>2.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 7c14193..e6c3e67 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   </parent>
   <groupId>org.apache.bahir</groupId>
   <artifactId>bahir-parent_2.12</artifactId>
-  <version>2.4.0-SNAPSHOT</version>
+  <version>2.4.0</version>
   <packaging>pom</packaging>
   <name>Apache Bahir - Parent POM</name>
   <url>http://bahir.apache.org/</url>
@@ -40,7 +40,7 @@
     <connection>scm:git:git@github.com:apache/bahir.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/bahir.git</developerConnection>
     <url>https://github.com/apache/bahir</url>
-    <tag>HEAD</tag>
+    <tag>v2.4.0-rc1</tag>
   </scm>
   <issueManagement>
     <system>JIRA</system>
diff --git a/sql-cloudant/pom.xml b/sql-cloudant/pom.xml
index 8a9fa58..b495afd 100644
--- a/sql-cloudant/pom.xml
+++ b/sql-cloudant/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sql-streaming-akka/pom.xml b/sql-streaming-akka/pom.xml
index 6d50325..f9f3f6b 100644
--- a/sql-streaming-akka/pom.xml
+++ b/sql-streaming-akka/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.bahir</groupId>
         <artifactId>bahir-parent_2.12</artifactId>
-        <version>2.4.0-SNAPSHOT</version>
+        <version>2.4.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/sql-streaming-jdbc/pom.xml b/sql-streaming-jdbc/pom.xml
index 70cf7b6..f42eb78 100644
--- a/sql-streaming-jdbc/pom.xml
+++ b/sql-streaming-jdbc/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sql-streaming-mqtt/pom.xml b/sql-streaming-mqtt/pom.xml
index 53ccc32..845e3af 100644
--- a/sql-streaming-mqtt/pom.xml
+++ b/sql-streaming-mqtt/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/streaming-akka/pom.xml b/streaming-akka/pom.xml
index 0d4e42f..4915693 100644
--- a/streaming-akka/pom.xml
+++ b/streaming-akka/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/streaming-mqtt/pom.xml b/streaming-mqtt/pom.xml
index 44ed1e0..888b49b 100644
--- a/streaming-mqtt/pom.xml
+++ b/streaming-mqtt/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/streaming-pubnub/pom.xml b/streaming-pubnub/pom.xml
index 683cb29..615c1fc 100644
--- a/streaming-pubnub/pom.xml
+++ b/streaming-pubnub/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>bahir-parent_2.12</artifactId>
     <groupId>org.apache.bahir</groupId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/streaming-pubsub/pom.xml b/streaming-pubsub/pom.xml
index 3f92983..eb4b649 100644
--- a/streaming-pubsub/pom.xml
+++ b/streaming-pubsub/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>bahir-parent_2.12</artifactId>
     <groupId>org.apache.bahir</groupId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/streaming-twitter/pom.xml b/streaming-twitter/pom.xml
index f031771..3677751 100644
--- a/streaming-twitter/pom.xml
+++ b/streaming-twitter/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/streaming-zeromq/pom.xml b/streaming-zeromq/pom.xml
index ec1c4a7..8895eeb 100644
--- a/streaming-zeromq/pom.xml
+++ b/streaming-zeromq/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bahir</groupId>
     <artifactId>bahir-parent_2.12</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>