diff --git a/docs/changelog.adoc b/docs/changelog.adoc
index 7022550f44..f02567accc 100644
--- a/docs/changelog.adoc
+++ b/docs/changelog.adoc
@@ -2,7 +2,7 @@
 [appendix]
 == Release Notes
 
-=== Version 0.3.1 (Release Date: September ??, 2018)
+=== Version 0.3.1 (Release Date: October 2, 2018)
 
 [source, xml]
 <dependency>
@@ -52,6 +52,31 @@ For more information on features and bug fixes in 0.3.0, see the GitHub mileston
 
 * https://github.com/JanusGraph/janusgraph/milestone/4?closed=1
 
+=== Version 0.2.2 (Release Date: October 2, 2018)
+
+[source, xml]
+<dependency>
+   <groupId>org.janusgraph</groupId>
+   <artifactId>janusgraph-core</artifactId>
+   <version>0.2.2</version>
+</dependency>
+
+*Tested Compatibility:*
+
+* Apache Cassandra 2.1.20, 2.2.10, 3.0.14, 3.11.0
+* Apache HBase 0.98.24-hadoop2, 1.2.6, 1.3.1
+* Google Bigtable 1.0.0
+* Oracle BerkeleyJE 7.3.7
+* Elasticsearch 1.7.6, 2.4.6, 5.6.2, 6.0.1
+* Apache Lucene 7.0.0
+* Apache Solr 5.5.4, 6.6.1, 7.0.0
+* Apache TinkerPop 3.2.9
+* Java 1.8
+
+For more information on features and bug fixes in 0.2.2, see the GitHub milestone:
+
+* https://github.com/JanusGraph/janusgraph/milestone/6?closed=1
+
 === Version 0.2.1 (Release Date: July 9, 2018)
 
 [source, xml]
diff --git a/docs/doc-versions.adoc b/docs/doc-versions.adoc
index 092bb2ff1e..d9b1fa1346 100644
--- a/docs/doc-versions.adoc
+++ b/docs/doc-versions.adoc
@@ -2,10 +2,12 @@
 [appendix]
 == Other documentation versions
 * https://docs.janusgraph.org/latest/index.html[Latest]
+* https://docs.janusgraph.org/0.3.1/index.html[Version 0.3.1]
 * https://docs.janusgraph.org/0.3.0/index.html[Version 0.3.0]
+* https://docs.janusgraph.org/0.2.2/index.html[Version 0.2.2]
 * https://docs.janusgraph.org/0.2.1/index.html[Version 0.2.1]
 * https://docs.janusgraph.org/0.2.0/index.html[Version 0.2.0]
 * https://docs.janusgraph.org/0.1.1/index.html[Version 0.1.1]
 * https://docs.janusgraph.org/0.1.0/index.html[Version 0.1.0]
 
-This page only lists versions 0.3.0 and prior. Please visit the latest version to https://docs.janusgraph.org/latest/doc-versions.html[see a complete list of docs versions].
+Please visit the latest online version of this page to https://docs.janusgraph.org/latest/doc-versions.html[see a complete list of docs versions].
diff --git a/janusgraph-all/pom.xml b/janusgraph-all/pom.xml
index ba5e68c103..8d4431cac7 100644
--- a/janusgraph-all/pom.xml
+++ b/janusgraph-all/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-all</artifactId>
diff --git a/janusgraph-berkeleyje/pom.xml b/janusgraph-berkeleyje/pom.xml
index 1291395183..254683d7b7 100644
--- a/janusgraph-berkeleyje/pom.xml
+++ b/janusgraph-berkeleyje/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-berkeleyje</artifactId>
diff --git a/janusgraph-bigtable/pom.xml b/janusgraph-bigtable/pom.xml
index 602c299b1d..842913ee25 100644
--- a/janusgraph-bigtable/pom.xml
+++ b/janusgraph-bigtable/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-bigtable</artifactId>
diff --git a/janusgraph-cassandra/pom.xml b/janusgraph-cassandra/pom.xml
index 1ca9ca3667..92adf6156c 100644
--- a/janusgraph-cassandra/pom.xml
+++ b/janusgraph-cassandra/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-cassandra</artifactId>
diff --git a/janusgraph-codepipelines-ci/pom.xml b/janusgraph-codepipelines-ci/pom.xml
index b612340e18..794d1739b2 100644
--- a/janusgraph-codepipelines-ci/pom.xml
+++ b/janusgraph-codepipelines-ci/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-codepipelines-ci</artifactId>
diff --git a/janusgraph-core/pom.xml b/janusgraph-core/pom.xml
index f673400e5a..67fbab503b 100644
--- a/janusgraph-core/pom.xml
+++ b/janusgraph-core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-core</artifactId>
diff --git a/janusgraph-cql/pom.xml b/janusgraph-cql/pom.xml
index 2375e0be01..be82289db0 100644
--- a/janusgraph-cql/pom.xml
+++ b/janusgraph-cql/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>janusgraph-cql</artifactId>
diff --git a/janusgraph-dist/janusgraph-dist-hadoop-2/pom.xml b/janusgraph-dist/janusgraph-dist-hadoop-2/pom.xml
index 1188a50039..1820e46549 100644
--- a/janusgraph-dist/janusgraph-dist-hadoop-2/pom.xml
+++ b/janusgraph-dist/janusgraph-dist-hadoop-2/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-dist</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>pom</packaging>
diff --git a/janusgraph-dist/pom.xml b/janusgraph-dist/pom.xml
index 053ca1b1ef..86c18c7b9d 100644
--- a/janusgraph-dist/pom.xml
+++ b/janusgraph-dist/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>pom</packaging>
diff --git a/janusgraph-doc/pom.xml b/janusgraph-doc/pom.xml
index fcaa0453d7..6700ba74a0 100644
--- a/janusgraph-doc/pom.xml
+++ b/janusgraph-doc/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>pom</packaging>
diff --git a/janusgraph-es/pom.xml b/janusgraph-es/pom.xml
index a60bfcf23a..09c35cacb6 100644
--- a/janusgraph-es/pom.xml
+++ b/janusgraph-es/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-es</artifactId>
diff --git a/janusgraph-examples/example-berkeleyje/pom.xml b/janusgraph-examples/example-berkeleyje/pom.xml
index 1ebf8fdcfd..39b741b160 100644
--- a/janusgraph-examples/example-berkeleyje/pom.xml
+++ b/janusgraph-examples/example-berkeleyje/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-examples</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>example-berkeleyje</artifactId>
diff --git a/janusgraph-examples/example-cassandra/pom.xml b/janusgraph-examples/example-cassandra/pom.xml
index ca20a9cd4e..742f1f3379 100644
--- a/janusgraph-examples/example-cassandra/pom.xml
+++ b/janusgraph-examples/example-cassandra/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-examples</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>example-cassandra</artifactId>
diff --git a/janusgraph-examples/example-common/pom.xml b/janusgraph-examples/example-common/pom.xml
index 33862ac84a..9c09aba7cc 100644
--- a/janusgraph-examples/example-common/pom.xml
+++ b/janusgraph-examples/example-common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-examples</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>example-common</artifactId>
diff --git a/janusgraph-examples/example-cql/pom.xml b/janusgraph-examples/example-cql/pom.xml
index 43815bec0b..634cdfefc5 100644
--- a/janusgraph-examples/example-cql/pom.xml
+++ b/janusgraph-examples/example-cql/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-examples</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>example-cql</artifactId>
diff --git a/janusgraph-examples/example-hbase/pom.xml b/janusgraph-examples/example-hbase/pom.xml
index 68b6cd4f3a..34363d6893 100644
--- a/janusgraph-examples/example-hbase/pom.xml
+++ b/janusgraph-examples/example-hbase/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-examples</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>example-hbase</artifactId>
diff --git a/janusgraph-examples/example-remotegraph/pom.xml b/janusgraph-examples/example-remotegraph/pom.xml
index 30763a0d23..7d6466acaa 100644
--- a/janusgraph-examples/example-remotegraph/pom.xml
+++ b/janusgraph-examples/example-remotegraph/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-examples</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>example-remotegraph</artifactId>
diff --git a/janusgraph-examples/example-tinkergraph/pom.xml b/janusgraph-examples/example-tinkergraph/pom.xml
index ac7269c93e..7a8e4bd2ed 100644
--- a/janusgraph-examples/example-tinkergraph/pom.xml
+++ b/janusgraph-examples/example-tinkergraph/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-examples</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>example-tinkergraph</artifactId>
diff --git a/janusgraph-examples/pom.xml b/janusgraph-examples/pom.xml
index 056b6eed91..53957a1a28 100644
--- a/janusgraph-examples/pom.xml
+++ b/janusgraph-examples/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-examples</artifactId>
diff --git a/janusgraph-hadoop-parent/janusgraph-hadoop-2/pom.xml b/janusgraph-hadoop-parent/janusgraph-hadoop-2/pom.xml
index 78d17a6b3a..fb0b6a0470 100644
--- a/janusgraph-hadoop-parent/janusgraph-hadoop-2/pom.xml
+++ b/janusgraph-hadoop-parent/janusgraph-hadoop-2/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-hadoop-parent</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hadoop-2</artifactId>
diff --git a/janusgraph-hadoop-parent/janusgraph-hadoop-core/pom.xml b/janusgraph-hadoop-parent/janusgraph-hadoop-core/pom.xml
index c6baf213c0..6bd9945aa5 100644
--- a/janusgraph-hadoop-parent/janusgraph-hadoop-core/pom.xml
+++ b/janusgraph-hadoop-parent/janusgraph-hadoop-core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-hadoop-parent</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hadoop-core</artifactId>
diff --git a/janusgraph-hadoop-parent/janusgraph-hadoop/pom.xml b/janusgraph-hadoop-parent/janusgraph-hadoop/pom.xml
index 3127220c46..d6f0054b6d 100644
--- a/janusgraph-hadoop-parent/janusgraph-hadoop/pom.xml
+++ b/janusgraph-hadoop-parent/janusgraph-hadoop/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-hadoop-parent</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hadoop</artifactId>
diff --git a/janusgraph-hadoop-parent/pom.xml b/janusgraph-hadoop-parent/pom.xml
index 585d44a134..58f89faebf 100644
--- a/janusgraph-hadoop-parent/pom.xml
+++ b/janusgraph-hadoop-parent/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hadoop-parent</artifactId>
diff --git a/janusgraph-hbase-parent/janusgraph-hbase-10/pom.xml b/janusgraph-hbase-parent/janusgraph-hbase-10/pom.xml
index 3083ed2973..9dfbefde4a 100644
--- a/janusgraph-hbase-parent/janusgraph-hbase-10/pom.xml
+++ b/janusgraph-hbase-parent/janusgraph-hbase-10/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-hbase-parent</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hbase-10</artifactId>
diff --git a/janusgraph-hbase-parent/janusgraph-hbase-core/pom.xml b/janusgraph-hbase-parent/janusgraph-hbase-core/pom.xml
index eccaa1a957..55bb2180e9 100644
--- a/janusgraph-hbase-parent/janusgraph-hbase-core/pom.xml
+++ b/janusgraph-hbase-parent/janusgraph-hbase-core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-hbase-parent</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hbase-core</artifactId>
diff --git a/janusgraph-hbase-parent/janusgraph-hbase-server/pom.xml b/janusgraph-hbase-parent/janusgraph-hbase-server/pom.xml
index 6b0faf39aa..6f498a3459 100644
--- a/janusgraph-hbase-parent/janusgraph-hbase-server/pom.xml
+++ b/janusgraph-hbase-parent/janusgraph-hbase-server/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-hbase-parent</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hbase-server</artifactId>
diff --git a/janusgraph-hbase-parent/janusgraph-hbase/pom.xml b/janusgraph-hbase-parent/janusgraph-hbase/pom.xml
index c41bec63fc..c227daa327 100644
--- a/janusgraph-hbase-parent/janusgraph-hbase/pom.xml
+++ b/janusgraph-hbase-parent/janusgraph-hbase/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph-hbase-parent</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hbase</artifactId>
diff --git a/janusgraph-hbase-parent/pom.xml b/janusgraph-hbase-parent/pom.xml
index 798aae5347..bdfa86dc26 100644
--- a/janusgraph-hbase-parent/pom.xml
+++ b/janusgraph-hbase-parent/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-hbase-parent</artifactId>
diff --git a/janusgraph-lucene/pom.xml b/janusgraph-lucene/pom.xml
index 436c7b9dc9..047688c717 100644
--- a/janusgraph-lucene/pom.xml
+++ b/janusgraph-lucene/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-lucene</artifactId>
diff --git a/janusgraph-server/pom.xml b/janusgraph-server/pom.xml
index 1a20ab1e6a..9ad6328107 100644
--- a/janusgraph-server/pom.xml
+++ b/janusgraph-server/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
     <artifactId>janusgraph-server</artifactId>
     <name>janusgraph-server</name>
diff --git a/janusgraph-solr/pom.xml b/janusgraph-solr/pom.xml
index 06706cdb4f..106589eeca 100644
--- a/janusgraph-solr/pom.xml
+++ b/janusgraph-solr/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-solr</artifactId>
diff --git a/janusgraph-test/pom.xml b/janusgraph-test/pom.xml
index 05e8f00eb9..5c12006f34 100644
--- a/janusgraph-test/pom.xml
+++ b/janusgraph-test/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.janusgraph</groupId>
         <artifactId>janusgraph</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>janusgraph-test</artifactId>
diff --git a/pom.xml b/pom.xml
index 4586ef8c77..e1a6a3c3cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.janusgraph</groupId>
     <artifactId>janusgraph</artifactId>
-    <version>0.3.1-SNAPSHOT</version>
+    <version>0.3.1</version>
     <packaging>pom</packaging>
     <prerequisites>
         <maven>2.2.1</maven>