diff --git a/_config.yml b/_config.yml
index 90afade..d9389d8 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,12 +1,14 @@
 url: ""
 name: "Apache AsterixDB"
 
-STABLE_VERSION: 0.8.8-incubating
-UNSTABLE_VERSION: 0.8.9-SNAPSHOT
-STABLE_DOWNLOAD_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterixdb-0.8.8-incubating/asterix-installer-0.8.8-incubating-binary-assembly.zip"
-UNSTABLE_DOWNLOAD_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-integration-tests/lastSuccessfulBuild/org.apache.asterix$asterix-installer/artifact/org.apache.asterix/asterix-installer/0.8.9-SNAPSHOT/asterix-installer-0.8.9-SNAPSHOT-binary-assembly.zip"
-STABLE_YARN_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterixdb-0.8.8-incubating/asterix-yarn-0.8.8-incubating-binary-assembly.zip"
-UNSTABLE_YARN_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-integration-tests/lastSuccessfulBuild/org.apache.asterix$asterix-yarn/artifact/org.apache.asterix/asterix-yarn/0.8.9-SNAPSHOT/asterix-yarn-0.8.9-SNAPSHOT-binary-assembly.zip"
+STABLE_VERSION: 0.9.0
+UNSTABLE_VERSION: 0.9.1-SNAPSHOT
+STABLE_DOWNLOAD_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterixdb-0.9.0/asterix-installer-0.9.0-binary-assembly.zip"
+UNSTABLE_DOWNLOAD_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-integration-tests/lastSuccessfulBuild/org.apache.asterix$asterix-installer/artifact/org.apache.asterix/asterix-installer/0.9.1-SNAPSHOT/asterix-installer-0.9.1-SNAPSHOT-binary-assembly.zip"
+STABLE_YARN_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterixdb-0.9.0/asterix-yarn-0.9.0-binary-assembly.zip"
+UNSTABLE_YARN_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-integration-tests/lastSuccessfulBuild/org.apache.asterix$asterix-yarn/artifact/org.apache.asterix/asterix-yarn/0.9.1-SNAPSHOT/asterix-yarn-0.9.1-SNAPSHOT-binary-assembly.zip"
+STABLE_NCSERVICE_URL: "http://www.apache.org/dyn/closer.lua/asterixdb/asterixdb-0.9.0/asterix-server-0.9.0-binary-assembly.zip"
+UNSTABLE_NCSERVICE_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-integration-tests/lastSuccessfulBuild/org.apache.asterix$asterix-server/artifact/org.apache.asterix/asterix-server/0.9.1-SNAPSHOT/asterix-server-0.9.1-SNAPSHOT-binary-assembly.zip"
 DOCS_BASE_URL: "docs"
 UNSTABLE_DOCS_BASE_URL: "https://ci.apache.org/projects/asterixdb/"
 ICS_DOWNLOAD_BASE_URL: "https://asterixdb.ics.uci.edu/download"