diff --git a/assembly/pom.xml b/assembly/pom.xml
index 13077ce..14a2bf9 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/client/pom.xml b/client/pom.xml
index f5626c1..205c58f 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-client</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail Client Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/hdfs/pom.xml b/hdfs/pom.xml
index da5f5e4..9b636ea 100644
--- a/hdfs/pom.xml
+++ b/hdfs/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-hdfs</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail HDFS Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/namenode/pom.xml b/namenode/pom.xml
index f6d0774..af70d8f 100644
--- a/namenode/pom.xml
+++ b/namenode/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-namenode</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail Namenode Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/pom.xml b/pom.xml
index f3e0623..860a6a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail Project Parent POM</name>
   <url>http://maven.apache.org</url>
 
@@ -34,7 +34,7 @@
     <connection>scm:git:git://git.apache.org/incubator-crail.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-crail.git</developerConnection>
     <url>https://git-wip-us.apache.org/repos/asf?p=incubator-crail.git</url>
-    <tag>HEAD</tag>
+    <tag>v1.1-rc4</tag>
   </scm>
 
   <properties>
diff --git a/rpc-darpc/pom.xml b/rpc-darpc/pom.xml
index eb584d7..3037b85 100644
--- a/rpc-darpc/pom.xml
+++ b/rpc-darpc/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-rpc-darpc</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail DaRPC Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/rpc-narpc/pom.xml b/rpc-narpc/pom.xml
index b4be96f..4b3c9e0 100644
--- a/rpc-narpc/pom.xml
+++ b/rpc-narpc/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-rpc-narpc</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail RPC/TCP Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/rpc/pom.xml b/rpc/pom.xml
index ade471e..889f2b0 100644
--- a/rpc/pom.xml
+++ b/rpc/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-rpc</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail RPC Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/storage-narpc/pom.xml b/storage-narpc/pom.xml
index 6a919e2..24da632 100644
--- a/storage-narpc/pom.xml
+++ b/storage-narpc/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-storage-narpc</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail Storage NaRPC Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/storage-nvmf/pom.xml b/storage-nvmf/pom.xml
index f395cb1..4ec358f 100644
--- a/storage-nvmf/pom.xml
+++ b/storage-nvmf/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-storage-nvmf</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail NVMf Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/storage-rdma/pom.xml b/storage-rdma/pom.xml
index 4e67953..315558c 100644
--- a/storage-rdma/pom.xml
+++ b/storage-rdma/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-storage-rdma</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail RDMA Project</name>
   <url>http://maven.apache.org</url>
 
diff --git a/storage/pom.xml b/storage/pom.xml
index 0923ad6..aa7f614 100644
--- a/storage/pom.xml
+++ b/storage/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.crail</groupId>
     <artifactId>crail-parent</artifactId>
-    <version>1.2-incubating-SNAPSHOT</version>
+    <version>1.1-incubating</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.crail</groupId>
   <artifactId>crail-storage</artifactId>
   <packaging>jar</packaging>
-  <version>1.2-incubating-SNAPSHOT</version>
+  <version>1.1-incubating</version>
   <name>Crail Storage Project</name>
   <url>http://maven.apache.org</url>