[maven-release-plugin] prepare release avatica-1.15.0-rc0
diff --git a/core/pom.xml b/core/pom.xml
index 66d05b2..0b9c877 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <artifactId>avatica-core</artifactId>
diff --git a/docker/pom.xml b/docker/pom.xml
index 6ae27b7..644e4ae 100644
--- a/docker/pom.xml
+++ b/docker/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <artifactId>avatica-docker</artifactId>
diff --git a/metrics-dropwizardmetrics/pom.xml b/metrics-dropwizardmetrics/pom.xml
index 7dfea67..7621384 100644
--- a/metrics-dropwizardmetrics/pom.xml
+++ b/metrics-dropwizardmetrics/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <artifactId>avatica-metrics-dropwizardmetrics</artifactId>
diff --git a/metrics/pom.xml b/metrics/pom.xml
index c9039da..510a9ca 100644
--- a/metrics/pom.xml
+++ b/metrics/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <artifactId>avatica-metrics</artifactId>
diff --git a/noop-driver/pom.xml b/noop-driver/pom.xml
index 9939b82..73d8274 100644
--- a/noop-driver/pom.xml
+++ b/noop-driver/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <artifactId>avatica-noop-driver</artifactId>
diff --git a/pom.xml b/pom.xml
index 7752699..622a64b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <groupId>org.apache.calcite.avatica</groupId>
   <artifactId>avatica-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.15.0-SNAPSHOT</version>
+  <version>1.15.0</version>
   <name>Apache Calcite Avatica Project</name>
   <description>Avatica is a JDBC driver framework which is a part of Apache Calcite</description>
   <url>https://calcite.apache.org/avatica</url>
@@ -121,7 +121,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/calcite-avatica.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/calcite-avatica.git</developerConnection>
     <url>https://github.com/apache/calcite-avatica</url>
-    <tag>HEAD</tag>
+    <tag>avatica-1.15.0-rc0</tag>
   </scm>
   <modules>
     <module>core</module>
diff --git a/server/pom.xml b/server/pom.xml
index e9183ec..59e400f 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <artifactId>avatica-server</artifactId>
diff --git a/shaded/core/pom.xml b/shaded/core/pom.xml
index 5853f35..e6be5f8 100644
--- a/shaded/core/pom.xml
+++ b/shaded/core/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/standalone-server/pom.xml b/standalone-server/pom.xml
index 586be58..1b8fb3d 100644
--- a/standalone-server/pom.xml
+++ b/standalone-server/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>avatica-standalone-server</artifactId>
   <name>Apache Calcite Avatica Standalone Server</name>
diff --git a/tck/pom.xml b/tck/pom.xml
index 6c0aff0..7452b91 100644
--- a/tck/pom.xml
+++ b/tck/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <artifactId>avatica-tck</artifactId>