diff --git a/api/pom.xml b/api/pom.xml
index 0b1411e93..c8eab5b95 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-api</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/assembly/pom.xml b/assembly/pom.xml
index abe954515..bc907c07f 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <artifactId>livy-assembly</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
 
   <properties>
diff --git a/client-common/pom.xml b/client-common/pom.xml
index 6f40e0def..1eed30f74 100644
--- a/client-common/pom.xml
+++ b/client-common/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-client-common</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/client-http/pom.xml b/client-http/pom.xml
index 15e16dbdc..5fd44de18 100644
--- a/client-http/pom.xml
+++ b/client-http/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-client-http</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/core/pom.xml b/core/pom.xml
index 0a0344b0c..6411b55c2 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -22,12 +22,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>multi-scala-project-root</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../scala/pom.xml</relativePath>
   </parent>
 
   <artifactId>livy-core-parent</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/core/scala-2.10/pom.xml b/core/scala-2.10/pom.xml
index 8d1aad884..3aa5e8506 100644
--- a/core/scala-2.10/pom.xml
+++ b/core/scala-2.10/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-core_2.10</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-core-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/core/scala-2.11/pom.xml b/core/scala-2.11/pom.xml
index bc16caf23..693bba20c 100644
--- a/core/scala-2.11/pom.xml
+++ b/core/scala-2.11/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-core_2.11</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-core-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/coverage/pom.xml b/coverage/pom.xml
index de5ab2ea4..c6c77e214 100644
--- a/coverage/pom.xml
+++ b/coverage/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <artifactId>livy-coverage-report</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/examples/pom.xml b/examples/pom.xml
index 45bd11c99..4bf909c13 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -23,13 +23,13 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-examples</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/integration-test/minicluster-dependencies/pom.xml b/integration-test/minicluster-dependencies/pom.xml
index 809a3fcfa..edd34d781 100644
--- a/integration-test/minicluster-dependencies/pom.xml
+++ b/integration-test/minicluster-dependencies/pom.xml
@@ -26,10 +26,10 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>multi-scala-project-root</artifactId>
     <relativePath>../../scala/pom.xml</relativePath>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
   <artifactId>minicluster-dependencies-parent</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
   <properties>
     <skipDeploy>true</skipDeploy>
diff --git a/integration-test/minicluster-dependencies/scala-2.10/pom.xml b/integration-test/minicluster-dependencies/scala-2.10/pom.xml
index 12f6666e1..f1968783e 100644
--- a/integration-test/minicluster-dependencies/scala-2.10/pom.xml
+++ b/integration-test/minicluster-dependencies/scala-2.10/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>minicluster-dependencies_2.10</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>minicluster-dependencies-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/integration-test/minicluster-dependencies/scala-2.11/pom.xml b/integration-test/minicluster-dependencies/scala-2.11/pom.xml
index d75459384..c02d49dec 100644
--- a/integration-test/minicluster-dependencies/scala-2.11/pom.xml
+++ b/integration-test/minicluster-dependencies/scala-2.11/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>minicluster-dependencies_2.11</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>minicluster-dependencies-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/integration-test/pom.xml b/integration-test/pom.xml
index e15c47099..50e478bf7 100644
--- a/integration-test/pom.xml
+++ b/integration-test/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <artifactId>livy-integration-test</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/pom.xml b/pom.xml
index 34a92cdb6..e065ca70a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-main</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
   <name>Livy Project Parent POM</name>
   <description>Livy Project</description>
diff --git a/python-api/pom.xml b/python-api/pom.xml
index 86379ce5f..28aa09ccc 100644
--- a/python-api/pom.xml
+++ b/python-api/pom.xml
@@ -23,13 +23,13 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-python-api</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
 
   <build>
diff --git a/python-api/setup.py b/python-api/setup.py
index a7e3aabf0..d0a638b41 100644
--- a/python-api/setup.py
+++ b/python-api/setup.py
@@ -39,7 +39,7 @@
 
 setup(
     name='livy-python-api',
-    version="0.4.0-incubating-SNAPSHOT",
+    version="0.4.0-incubating",
     packages=["livy", "livy-tests"],
     package_dir={
         "": "src/main/python",
diff --git a/repl/pom.xml b/repl/pom.xml
index 14931bace..cdb86217b 100644
--- a/repl/pom.xml
+++ b/repl/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>multi-scala-project-root</artifactId>
     <relativePath>../scala/pom.xml</relativePath>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <artifactId>livy-repl-parent</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/repl/scala-2.10/pom.xml b/repl/scala-2.10/pom.xml
index 4d846119e..1b6598f44 100644
--- a/repl/scala-2.10/pom.xml
+++ b/repl/scala-2.10/pom.xml
@@ -21,13 +21,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-repl_2.10</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-repl-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/repl/scala-2.11/pom.xml b/repl/scala-2.11/pom.xml
index 97f5c5425..b4272b024 100644
--- a/repl/scala-2.11/pom.xml
+++ b/repl/scala-2.11/pom.xml
@@ -21,13 +21,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-repl_2.11</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-repl-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/rsc/pom.xml b/rsc/pom.xml
index 660ca351f..61204e8c6 100644
--- a/rsc/pom.xml
+++ b/rsc/pom.xml
@@ -21,12 +21,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-rsc</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>
diff --git a/scala-api/pom.xml b/scala-api/pom.xml
index 7e4a4b204..1ab455e6b 100644
--- a/scala-api/pom.xml
+++ b/scala-api/pom.xml
@@ -23,12 +23,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>multi-scala-project-root</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../scala/pom.xml</relativePath>
   </parent>
 
   <artifactId>livy-scala-api-parent</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
 
   <dependencies>
diff --git a/scala-api/scala-2.10/pom.xml b/scala-api/scala-2.10/pom.xml
index 96f6bf8fd..a43948ca3 100644
--- a/scala-api/scala-2.10/pom.xml
+++ b/scala-api/scala-2.10/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-scala-api_2.10</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-scala-api-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/scala-api/scala-2.11/pom.xml b/scala-api/scala-2.11/pom.xml
index 3690347c5..55704965f 100644
--- a/scala-api/scala-2.11/pom.xml
+++ b/scala-api/scala-2.11/pom.xml
@@ -19,13 +19,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-scala-api_2.11</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-scala-api-parent</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/scala/pom.xml b/scala/pom.xml
index d304bb3e0..d1e78f6ab 100644
--- a/scala/pom.xml
+++ b/scala/pom.xml
@@ -21,13 +21,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.livy</groupId>
   <artifactId>multi-scala-project-root</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>pom</packaging>
 
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/server/pom.xml b/server/pom.xml
index 1ad6bfa8e..cc589bf42 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -23,11 +23,11 @@
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <artifactId>livy-server</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/test-lib/pom.xml b/test-lib/pom.xml
index c38076433..d61f4f03d 100644
--- a/test-lib/pom.xml
+++ b/test-lib/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.livy</groupId>
     <artifactId>livy-main</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <groupId>org.apache.livy</groupId>
   <artifactId>livy-test-lib</artifactId>
-  <version>0.4.0-incubating-SNAPSHOT</version>
+  <version>0.4.0-incubating</version>
   <packaging>jar</packaging>
 
   <properties>