[maven-release-plugin] prepare release calcite-avatica-1.8.0-rc1
diff --git a/avatica/core/pom.xml b/avatica/core/pom.xml
index 349fbaf..bcf9356 100644
--- a/avatica/core/pom.xml
+++ b/avatica/core/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.8.0-SNAPSHOT</version>
+    <version>1.8.0</version>
   </parent>
 
   <artifactId>avatica</artifactId>
diff --git a/avatica/metrics-dropwizardmetrics3/pom.xml b/avatica/metrics-dropwizardmetrics3/pom.xml
index 52e59e7..e8e761d 100644
--- a/avatica/metrics-dropwizardmetrics3/pom.xml
+++ b/avatica/metrics-dropwizardmetrics3/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.8.0-SNAPSHOT</version>
+    <version>1.8.0</version>
   </parent>
 
   <artifactId>avatica-metrics-dropwizardmetrics3</artifactId>
diff --git a/avatica/metrics/pom.xml b/avatica/metrics/pom.xml
index c371ed2..f9b3841 100644
--- a/avatica/metrics/pom.xml
+++ b/avatica/metrics/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.8.0-SNAPSHOT</version>
+    <version>1.8.0</version>
   </parent>
 
   <artifactId>avatica-metrics</artifactId>
diff --git a/avatica/noop-driver/pom.xml b/avatica/noop-driver/pom.xml
index 2a6bc0b..b1d88a8 100644
--- a/avatica/noop-driver/pom.xml
+++ b/avatica/noop-driver/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.8.0-SNAPSHOT</version>
+    <version>1.8.0</version>
   </parent>
 
   <artifactId>avatica-noop-driver</artifactId>
diff --git a/avatica/pom.xml b/avatica/pom.xml
index 6613681..bef94f7 100644
--- a/avatica/pom.xml
+++ b/avatica/pom.xml
@@ -29,7 +29,7 @@
   <groupId>org.apache.calcite.avatica</groupId>
   <artifactId>avatica-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.8.0-SNAPSHOT</version>
+  <version>1.8.0</version>
 
   <!-- More project information. -->
   <name>Apache Calcite Avatica Project</name>
@@ -104,7 +104,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/calcite.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/calcite.git</developerConnection>
     <url>https://github.com/apache/calcite</url>
-    <tag>HEAD</tag>
+    <tag>calcite-avatica-1.8.0-rc1</tag>
   </scm>
 
   <modules>
diff --git a/avatica/server/pom.xml b/avatica/server/pom.xml
index d24aaf2..243ffa2 100644
--- a/avatica/server/pom.xml
+++ b/avatica/server/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.8.0-SNAPSHOT</version>
+    <version>1.8.0</version>
   </parent>
 
   <artifactId>avatica-server</artifactId>
diff --git a/avatica/standalone-server/pom.xml b/avatica/standalone-server/pom.xml
index 3925a23..b08a6c4 100644
--- a/avatica/standalone-server/pom.xml
+++ b/avatica/standalone-server/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.8.0-SNAPSHOT</version>
+    <version>1.8.0</version>
   </parent>
   <artifactId>avatica-standalone-server</artifactId>
   <name>Avatica Standalone Server</name>
diff --git a/avatica/tck/pom.xml b/avatica/tck/pom.xml
index 0ddf1de..11601df 100644
--- a/avatica/tck/pom.xml
+++ b/avatica/tck/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite.avatica</groupId>
     <artifactId>avatica-parent</artifactId>
-    <version>1.8.0-SNAPSHOT</version>
+    <version>1.8.0</version>
   </parent>
 
   <artifactId>avatica-tck</artifactId>