[maven-release-plugin] prepare release apache-parquet-1.8.1
diff --git a/parquet-avro/pom.xml b/parquet-avro/pom.xml
index 148a9a0..1fd9e8c 100644
--- a/parquet-avro/pom.xml
+++ b/parquet-avro/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-benchmarks/pom.xml b/parquet-benchmarks/pom.xml
index 0ecd6c9..98bc52b 100644
--- a/parquet-benchmarks/pom.xml
+++ b/parquet-benchmarks/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-cascading/pom.xml b/parquet-cascading/pom.xml
index 764966f..d1725ea 100644
--- a/parquet-cascading/pom.xml
+++ b/parquet-cascading/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-column/pom.xml b/parquet-column/pom.xml
index 1592a1b..0c5d59c 100644
--- a/parquet-column/pom.xml
+++ b/parquet-column/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-common/pom.xml b/parquet-common/pom.xml
index 49e79cd..4ca8973 100644
--- a/parquet-common/pom.xml
+++ b/parquet-common/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-encoding/pom.xml b/parquet-encoding/pom.xml
index 184a8e2..34df2f3 100644
--- a/parquet-encoding/pom.xml
+++ b/parquet-encoding/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-generator/pom.xml b/parquet-generator/pom.xml
index df2cf30..19e2637 100644
--- a/parquet-generator/pom.xml
+++ b/parquet-generator/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hadoop-bundle/pom.xml b/parquet-hadoop-bundle/pom.xml
index ca4bfcb..0dbc028 100644
--- a/parquet-hadoop-bundle/pom.xml
+++ b/parquet-hadoop-bundle/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hadoop/pom.xml b/parquet-hadoop/pom.xml
index fa63d2d..7d48d22 100644
--- a/parquet-hadoop/pom.xml
+++ b/parquet-hadoop/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive-bundle/pom.xml b/parquet-hive-bundle/pom.xml
index 3ef1f93..abce11c 100644
--- a/parquet-hive-bundle/pom.xml
+++ b/parquet-hive-bundle/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/parquet-hive-binding/parquet-hive-0.10-binding/pom.xml b/parquet-hive/parquet-hive-binding/parquet-hive-0.10-binding/pom.xml
index f63f475..777d631 100644
--- a/parquet-hive/parquet-hive-binding/parquet-hive-0.10-binding/pom.xml
+++ b/parquet-hive/parquet-hive-binding/parquet-hive-0.10-binding/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet-hive-binding</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/parquet-hive-binding/parquet-hive-0.12-binding/pom.xml b/parquet-hive/parquet-hive-binding/parquet-hive-0.12-binding/pom.xml
index 646f93c..1caec5d 100644
--- a/parquet-hive/parquet-hive-binding/parquet-hive-0.12-binding/pom.xml
+++ b/parquet-hive/parquet-hive-binding/parquet-hive-0.12-binding/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet-hive-binding</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/parquet-hive-binding/parquet-hive-binding-bundle/pom.xml b/parquet-hive/parquet-hive-binding/parquet-hive-binding-bundle/pom.xml
index 96d877e..bcb3384 100644
--- a/parquet-hive/parquet-hive-binding/parquet-hive-binding-bundle/pom.xml
+++ b/parquet-hive/parquet-hive-binding/parquet-hive-binding-bundle/pom.xml
@@ -23,7 +23,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet-hive-binding</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/parquet-hive-binding/parquet-hive-binding-factory/pom.xml b/parquet-hive/parquet-hive-binding/parquet-hive-binding-factory/pom.xml
index 32d548b..827e9c1 100644
--- a/parquet-hive/parquet-hive-binding/parquet-hive-binding-factory/pom.xml
+++ b/parquet-hive/parquet-hive-binding/parquet-hive-binding-factory/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet-hive-binding</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/parquet-hive-binding/parquet-hive-binding-interface/pom.xml b/parquet-hive/parquet-hive-binding/parquet-hive-binding-interface/pom.xml
index 7130410..6d701d7 100644
--- a/parquet-hive/parquet-hive-binding/parquet-hive-binding-interface/pom.xml
+++ b/parquet-hive/parquet-hive-binding/parquet-hive-binding-interface/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet-hive-binding</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/parquet-hive-binding/pom.xml b/parquet-hive/parquet-hive-binding/pom.xml
index 200f511..b4a5282 100644
--- a/parquet-hive/parquet-hive-binding/pom.xml
+++ b/parquet-hive/parquet-hive-binding/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet-hive</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/parquet-hive-storage-handler/pom.xml b/parquet-hive/parquet-hive-storage-handler/pom.xml
index a763815..63e436e 100644
--- a/parquet-hive/parquet-hive-storage-handler/pom.xml
+++ b/parquet-hive/parquet-hive-storage-handler/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet-hive</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-hive/pom.xml b/parquet-hive/pom.xml
index 0d05511..172ca82 100644
--- a/parquet-hive/pom.xml
+++ b/parquet-hive/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-jackson/pom.xml b/parquet-jackson/pom.xml
index e9ed5da..b790d45 100644
--- a/parquet-jackson/pom.xml
+++ b/parquet-jackson/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-pig-bundle/pom.xml b/parquet-pig-bundle/pom.xml
index c98c3f0..83f12c8 100644
--- a/parquet-pig-bundle/pom.xml
+++ b/parquet-pig-bundle/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-pig/pom.xml b/parquet-pig/pom.xml
index 35302a0..c61df30 100644
--- a/parquet-pig/pom.xml
+++ b/parquet-pig/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-protobuf/pom.xml b/parquet-protobuf/pom.xml
index 6836e69..9acc03f 100644
--- a/parquet-protobuf/pom.xml
+++ b/parquet-protobuf/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-scala/pom.xml b/parquet-scala/pom.xml
index 90b5ac3..5550454 100644
--- a/parquet-scala/pom.xml
+++ b/parquet-scala/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-scrooge/pom.xml b/parquet-scrooge/pom.xml
index c7100e5..fe87c79 100644
--- a/parquet-scrooge/pom.xml
+++ b/parquet-scrooge/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-thrift/pom.xml b/parquet-thrift/pom.xml
index 8093bbe..1c1f5ba 100644
--- a/parquet-thrift/pom.xml
+++ b/parquet-thrift/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/parquet-tools/pom.xml b/parquet-tools/pom.xml
index 51548e2..762ab2c 100644
--- a/parquet-tools/pom.xml
+++ b/parquet-tools/pom.xml
@@ -21,7 +21,7 @@
     <groupId>org.apache.parquet</groupId>
     <artifactId>parquet</artifactId>
     <relativePath>../pom.xml</relativePath>
-    <version>1.8.1-SNAPSHOT</version>
+    <version>1.8.1</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/pom.xml b/pom.xml
index 30f79b9..189c4ca 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
   <groupId>org.apache.parquet</groupId>
   <artifactId>parquet</artifactId>
-  <version>1.8.1-SNAPSHOT</version>
+  <version>1.8.1</version>
   <packaging>pom</packaging>
 
   <name>Apache Parquet MR</name>
@@ -20,7 +20,7 @@
     <connection>scm:git:git@github.com:apache/parquet-mr.git</connection>
     <url>scm:git:git@github.com:apache/parquet-mr.git</url>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/parquet-mr.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>apache-parquet-1.8.1</tag>
   </scm>
 
   <licenses>