[maven-release-plugin] prepare release v4.9.0-rc1
diff --git a/bookkeeper-benchmark/pom.xml b/bookkeeper-benchmark/pom.xml
index 9b86140..a06a984 100644
--- a/bookkeeper-benchmark/pom.xml
+++ b/bookkeeper-benchmark/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <groupId>org.apache.bookkeeper</groupId>
   <artifactId>bookkeeper-benchmark</artifactId>
diff --git a/bookkeeper-common-allocator/pom.xml b/bookkeeper-common-allocator/pom.xml
index a988899..2dac516 100644
--- a/bookkeeper-common-allocator/pom.xml
+++ b/bookkeeper-common-allocator/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-common-allocator</artifactId>
   <name>Apache BookKeeper :: Common :: Allocator</name>
diff --git a/bookkeeper-common/pom.xml b/bookkeeper-common/pom.xml
index d2825a0..a833183 100644
--- a/bookkeeper-common/pom.xml
+++ b/bookkeeper-common/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-common</artifactId>
   <name>Apache BookKeeper :: Common</name>
diff --git a/bookkeeper-dist/all/pom.xml b/bookkeeper-dist/all/pom.xml
index 79e9808..9575cf7 100644
--- a/bookkeeper-dist/all/pom.xml
+++ b/bookkeeper-dist/all/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>bookkeeper-dist</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/bookkeeper-dist/bkctl/pom.xml b/bookkeeper-dist/bkctl/pom.xml
index e581865..540eeb7 100644
--- a/bookkeeper-dist/bkctl/pom.xml
+++ b/bookkeeper-dist/bkctl/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>bookkeeper-dist</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/bookkeeper-dist/pom.xml b/bookkeeper-dist/pom.xml
index 6bc7b1e..b4e2a9f 100644
--- a/bookkeeper-dist/pom.xml
+++ b/bookkeeper-dist/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>bookkeeper-dist</artifactId>
diff --git a/bookkeeper-dist/server/pom.xml b/bookkeeper-dist/server/pom.xml
index 186a652..82f4cc9 100644
--- a/bookkeeper-dist/server/pom.xml
+++ b/bookkeeper-dist/server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>bookkeeper-dist</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/bookkeeper-http/http-server/pom.xml b/bookkeeper-http/http-server/pom.xml
index ec99dfd..2d688bc 100644
--- a/bookkeeper-http/http-server/pom.xml
+++ b/bookkeeper-http/http-server/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/bookkeeper-http/pom.xml b/bookkeeper-http/pom.xml
index 0daa352..6146a3c 100644
--- a/bookkeeper-http/pom.xml
+++ b/bookkeeper-http/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.bookkeeper.http</groupId>
diff --git a/bookkeeper-http/twitter-http-server/pom.xml b/bookkeeper-http/twitter-http-server/pom.xml
index 0a21406..c7175b6 100644
--- a/bookkeeper-http/twitter-http-server/pom.xml
+++ b/bookkeeper-http/twitter-http-server/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/bookkeeper-http/vertx-http-server/pom.xml b/bookkeeper-http/vertx-http-server/pom.xml
index 0b3c9c2..0664a5d 100644
--- a/bookkeeper-http/vertx-http-server/pom.xml
+++ b/bookkeeper-http/vertx-http-server/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/bookkeeper-proto/pom.xml b/bookkeeper-proto/pom.xml
index f9520d8..fe9dc2a 100644
--- a/bookkeeper-proto/pom.xml
+++ b/bookkeeper-proto/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-proto</artifactId>
   <name>Apache BookKeeper :: Protocols</name>
diff --git a/bookkeeper-server/pom.xml b/bookkeeper-server/pom.xml
index c1b684e..4380fcf 100644
--- a/bookkeeper-server/pom.xml
+++ b/bookkeeper-server/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-server</artifactId>
   <name>Apache BookKeeper :: Server</name>
diff --git a/bookkeeper-stats-providers/codahale-metrics-provider/pom.xml b/bookkeeper-stats-providers/codahale-metrics-provider/pom.xml
index cab53fe..7b60233 100644
--- a/bookkeeper-stats-providers/codahale-metrics-provider/pom.xml
+++ b/bookkeeper-stats-providers/codahale-metrics-provider/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper.stats</groupId>
diff --git a/bookkeeper-stats-providers/pom.xml b/bookkeeper-stats-providers/pom.xml
index e64f32c..bda75fc 100644
--- a/bookkeeper-stats-providers/pom.xml
+++ b/bookkeeper-stats-providers/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>bookkeeper-stats-providers</artifactId>
diff --git a/bookkeeper-stats-providers/prometheus-metrics-provider/pom.xml b/bookkeeper-stats-providers/prometheus-metrics-provider/pom.xml
index 9f212e5..cb45135 100644
--- a/bookkeeper-stats-providers/prometheus-metrics-provider/pom.xml
+++ b/bookkeeper-stats-providers/prometheus-metrics-provider/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper.stats</groupId>
diff --git a/bookkeeper-stats-providers/twitter-finagle-provider/pom.xml b/bookkeeper-stats-providers/twitter-finagle-provider/pom.xml
index 90dcb81..a0525f3 100644
--- a/bookkeeper-stats-providers/twitter-finagle-provider/pom.xml
+++ b/bookkeeper-stats-providers/twitter-finagle-provider/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper.stats</groupId>
diff --git a/bookkeeper-stats-providers/twitter-ostrich-provider/pom.xml b/bookkeeper-stats-providers/twitter-ostrich-provider/pom.xml
index f1662e2..3596e7f 100644
--- a/bookkeeper-stats-providers/twitter-ostrich-provider/pom.xml
+++ b/bookkeeper-stats-providers/twitter-ostrich-provider/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper.stats</groupId>
diff --git a/bookkeeper-stats-providers/twitter-science-provider/pom.xml b/bookkeeper-stats-providers/twitter-science-provider/pom.xml
index 278a5b5..61c8664 100644
--- a/bookkeeper-stats-providers/twitter-science-provider/pom.xml
+++ b/bookkeeper-stats-providers/twitter-science-provider/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>../..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper.stats</groupId>
diff --git a/bookkeeper-stats/pom.xml b/bookkeeper-stats/pom.xml
index 0d4a9b2..e49bc0a 100644
--- a/bookkeeper-stats/pom.xml
+++ b/bookkeeper-stats/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <groupId>org.apache.bookkeeper.stats</groupId>
   <artifactId>bookkeeper-stats-api</artifactId>
diff --git a/buildtools/pom.xml b/buildtools/pom.xml
index ea4665b..5756731 100644
--- a/buildtools/pom.xml
+++ b/buildtools/pom.xml
@@ -20,9 +20,9 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>buildtools</artifactId>
   <name>Apache BookKeeper :: Build Tools</name>
-  <version>4.9.0-SNAPSHOT</version>
+  <version>4.9.0</version>
 </project>
diff --git a/circe-checksum/pom.xml b/circe-checksum/pom.xml
index cb2ebdb..6a0b56f 100644
--- a/circe-checksum/pom.xml
+++ b/circe-checksum/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/cpu-affinity/pom.xml b/cpu-affinity/pom.xml
index 4dbe39b..2168344 100644
--- a/cpu-affinity/pom.xml
+++ b/cpu-affinity/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/metadata-drivers/etcd/pom.xml b/metadata-drivers/etcd/pom.xml
index 706bcfa..9daee0d 100644
--- a/metadata-drivers/etcd/pom.xml
+++ b/metadata-drivers/etcd/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.bookkeeper.metadata.drivers</groupId>
     <artifactId>metadata-drivers-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/metadata-drivers/pom.xml b/metadata-drivers/pom.xml
index ab3ebd9..aed631c 100644
--- a/metadata-drivers/pom.xml
+++ b/metadata-drivers/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>bookkeeper</artifactId>
         <groupId>org.apache.bookkeeper</groupId>
-        <version>4.9.0-SNAPSHOT</version>
+        <version>4.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.bookkeeper.metadata.drivers</groupId>
diff --git a/microbenchmarks/pom.xml b/microbenchmarks/pom.xml
index 0f34b31..776339e 100644
--- a/microbenchmarks/pom.xml
+++ b/microbenchmarks/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>microbenchmarks</artifactId>
   <name>Apache BookKeeper :: microbenchmarks</name>
diff --git a/pom.xml b/pom.xml
index 7f0bc00..c95728a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.bookkeeper</groupId>
-  <version>4.9.0-SNAPSHOT</version>
+  <version>4.9.0</version>
   <artifactId>bookkeeper</artifactId>
   <packaging>pom</packaging>
   <name>Apache BookKeeper :: Parent</name>
@@ -40,7 +40,7 @@
     <connection>scm:git:https://github.com/apache/bookkeeper.git</connection>
     <developerConnection>scm:git:https://github.com/apache/bookkeeper.git</developerConnection>
     <url>https://github.com/apache/bookkeeper</url>
-    <tag>branch-4.9</tag>
+    <tag>v4.9.0-rc1</tag>
   </scm>
   <issueManagement>
     <system>JIRA</system>
diff --git a/shaded/bookkeeper-server-shaded/pom.xml b/shaded/bookkeeper-server-shaded/pom.xml
index 85c76be..580697d 100644
--- a/shaded/bookkeeper-server-shaded/pom.xml
+++ b/shaded/bookkeeper-server-shaded/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>shaded-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>bookkeeper-server-shaded</artifactId>
diff --git a/shaded/bookkeeper-server-tests-shaded/pom.xml b/shaded/bookkeeper-server-tests-shaded/pom.xml
index 3689415..d9b1962 100644
--- a/shaded/bookkeeper-server-tests-shaded/pom.xml
+++ b/shaded/bookkeeper-server-tests-shaded/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>shaded-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>bookkeeper-server-tests-shaded</artifactId>
diff --git a/shaded/distributedlog-core-shaded/pom.xml b/shaded/distributedlog-core-shaded/pom.xml
index 85ad8f0..0157ad4 100644
--- a/shaded/distributedlog-core-shaded/pom.xml
+++ b/shaded/distributedlog-core-shaded/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>shaded-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <groupId>org.apache.distributedlog</groupId>
diff --git a/shaded/pom.xml b/shaded/pom.xml
index fca99f2..9d5e300 100644
--- a/shaded/pom.xml
+++ b/shaded/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <groupId>org.apache.bookkeeper</groupId>
   <artifactId>shaded-parent</artifactId>
diff --git a/stats/pom.xml b/stats/pom.xml
index dac6a8a..debb1c5 100644
--- a/stats/pom.xml
+++ b/stats/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <packaging>pom</packaging>
diff --git a/stats/utils/pom.xml b/stats/utils/pom.xml
index 8861fb0..7a8b1d5 100644
--- a/stats/utils/pom.xml
+++ b/stats/utils/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>bookkeeper-stats-parent</artifactId>
     <groupId>org.apache.bookkeeper.stats</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper.stats</groupId>
diff --git a/stream/api/pom.xml b/stream/api/pom.xml
index 0b0bc6a..bdfbd91 100644
--- a/stream/api/pom.xml
+++ b/stream/api/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>stream-storage-parent</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/bk-grpc-name-resolver/pom.xml b/stream/bk-grpc-name-resolver/pom.xml
index 4948eab..60119ff 100644
--- a/stream/bk-grpc-name-resolver/pom.xml
+++ b/stream/bk-grpc-name-resolver/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>stream-storage-parent</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper</groupId>
diff --git a/stream/clients/java/all/pom.xml b/stream/clients/java/all/pom.xml
index 4070238..447d546 100644
--- a/stream/clients/java/all/pom.xml
+++ b/stream/clients/java/all/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>stream-storage-java-client-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>stream-storage-java-client</artifactId>
   <name>Apache BookKeeper :: Stream Storage :: Clients :: Java Client </name>
diff --git a/stream/clients/java/base/pom.xml b/stream/clients/java/base/pom.xml
index 0dfe032..9d6106e 100644
--- a/stream/clients/java/base/pom.xml
+++ b/stream/clients/java/base/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>stream-storage-java-client-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>stream-storage-java-client-base</artifactId>
   <name>Apache BookKeeper :: Stream Storage :: Clients :: Java Client :: Base</name>
diff --git a/stream/clients/java/kv/pom.xml b/stream/clients/java/kv/pom.xml
index 18b4858..b0239bc 100644
--- a/stream/clients/java/kv/pom.xml
+++ b/stream/clients/java/kv/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>stream-storage-java-client-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>stream-storage-java-kv-client</artifactId>
   <name>Apache BookKeeper :: Stream Storage :: Clients :: Java Client :: KV</name>
diff --git a/stream/clients/java/pom.xml b/stream/clients/java/pom.xml
index 69fda91..f511513 100644
--- a/stream/clients/java/pom.xml
+++ b/stream/clients/java/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>stream-storage-clients-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>stream-storage-java-client-parent</artifactId>
diff --git a/stream/clients/pom.xml b/stream/clients/pom.xml
index 0361483..f0f3852 100644
--- a/stream/clients/pom.xml
+++ b/stream/clients/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>stream-storage-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>stream-storage-clients-parent</artifactId>
diff --git a/stream/common/pom.xml b/stream/common/pom.xml
index a0c341b..6ceaf82 100644
--- a/stream/common/pom.xml
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     <artifactId>shaded-tests-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>distributedlog-core-shaded-test</artifactId>
diff --git a/tests/shaded/pom.xml b/tests/shaded/pom.xml
index 9f19eb4..550197b 100644
--- a/tests/shaded/pom.xml
+++ b/tests/shaded/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bookkeeper.tests</groupId>
     <artifactId>tests-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
     <relativePath>..</relativePath>
   </parent>
   <groupId>org.apache.bookkeeper.tests.shaded</groupId>
diff --git a/tools/all/pom.xml b/tools/all/pom.xml
index a7c3c01..f8c9766 100644
--- a/tools/all/pom.xml
+++ b/tools/all/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>bookkeeper-tools-parent</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-tools</artifactId>
   <name>Apache BookKeeper :: Tools</name>
diff --git a/tools/framework/pom.xml b/tools/framework/pom.xml
index e27dfd2..2beb4dc 100644
--- a/tools/framework/pom.xml
+++ b/tools/framework/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper-tools-parent</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-tools-framework</artifactId>
   <name>Apache BookKeeper :: Tools :: Framework</name>
diff --git a/tools/ledger/pom.xml b/tools/ledger/pom.xml
index 6c5182b..e43eeb6 100644
--- a/tools/ledger/pom.xml
+++ b/tools/ledger/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper-tools-parent</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-tools-ledger</artifactId>
   <name>Apache BookKeeper :: Tools :: Ledger</name>
diff --git a/tools/perf/pom.xml b/tools/perf/pom.xml
index cd8c654..4530b1d 100644
--- a/tools/perf/pom.xml
+++ b/tools/perf/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper-tools-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-perf</artifactId>
   <name>Apache BookKeeper :: Tools :: Perf</name>
diff --git a/tools/pom.xml b/tools/pom.xml
index c538a6a..bd6b337 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>bookkeeper</artifactId>
     <groupId>org.apache.bookkeeper</groupId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>bookkeeper-tools-parent</artifactId>
   <name>Apache BookKeeper :: Tools :: Parent</name>
diff --git a/tools/stream/pom.xml b/tools/stream/pom.xml
index 0805bbd..5ef24f8 100644
--- a/tools/stream/pom.xml
+++ b/tools/stream/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.bookkeeper</groupId>
     <artifactId>bookkeeper-tools-parent</artifactId>
-    <version>4.9.0-SNAPSHOT</version>
+    <version>4.9.0</version>
   </parent>
   <artifactId>stream-storage-cli</artifactId>
   <name>Apache BookKeeper :: Tools :: Stream</name>