diff --git a/adam-apis/pom.xml b/adam-apis/pom.xml
index 16b77b2b41..b34798c9bb 100644
--- a/adam-apis/pom.xml
+++ b/adam-apis/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.bdgenomics.adam</groupId>
     <artifactId>adam-parent-spark2_2.11</artifactId>
-    <version>0.31.0-SNAPSHOT</version>
+    <version>0.31.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/adam-assembly/pom.xml b/adam-assembly/pom.xml
index 8fda74ae71..80ddd1ba11 100644
--- a/adam-assembly/pom.xml
+++ b/adam-assembly/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.bdgenomics.adam</groupId>
     <artifactId>adam-parent-spark2_2.11</artifactId>
-    <version>0.31.0-SNAPSHOT</version>
+    <version>0.31.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/adam-cli/pom.xml b/adam-cli/pom.xml
index e31c2be385..a403731d1d 100644
--- a/adam-cli/pom.xml
+++ b/adam-cli/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.bdgenomics.adam</groupId>
     <artifactId>adam-parent-spark2_2.11</artifactId>
-    <version>0.31.0-SNAPSHOT</version>
+    <version>0.31.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/adam-codegen/pom.xml b/adam-codegen/pom.xml
index 936f10405f..250373e78f 100644
--- a/adam-codegen/pom.xml
+++ b/adam-codegen/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.bdgenomics.adam</groupId>
     <artifactId>adam-parent-spark2_2.11</artifactId>
-    <version>0.31.0-SNAPSHOT</version>
+    <version>0.31.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/adam-core/pom.xml b/adam-core/pom.xml
index 5be970daad..0ec2b874dc 100644
--- a/adam-core/pom.xml
+++ b/adam-core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.bdgenomics.adam</groupId>
     <artifactId>adam-parent-spark2_2.11</artifactId>
-    <version>0.31.0-SNAPSHOT</version>
+    <version>0.31.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/adam-distribution/pom.xml b/adam-distribution/pom.xml
index 8a7776d70b..55e644399d 100644
--- a/adam-distribution/pom.xml
+++ b/adam-distribution/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.bdgenomics.adam</groupId>
     <artifactId>adam-parent-spark2_2.11</artifactId>
-    <version>0.31.0-SNAPSHOT</version>
+    <version>0.31.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/adam-shade/pom.xml b/adam-shade/pom.xml
index 7630be24c4..20b33dad68 100644
--- a/adam-shade/pom.xml
+++ b/adam-shade/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.bdgenomics.adam</groupId>
     <artifactId>adam-parent-spark2_2.11</artifactId>
-    <version>0.31.0-SNAPSHOT</version>
+    <version>0.31.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 6bfafb3b74..9c51b73c12 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.bdgenomics.adam</groupId>
   <artifactId>adam-parent-spark2_2.11</artifactId>
-  <version>0.31.0-SNAPSHOT</version>
+  <version>0.31.0</version>
   <packaging>pom</packaging>
   <name>ADAM_${scala.version.prefix}</name>
   <description>A fast, scalable genome analysis system</description>
@@ -54,7 +54,7 @@
     <connection>scm:git:git@github.com:bigdatagenomics/adam.git</connection>
     <developerConnection>scm:git:git@github.com:bigdatagenomics/adam.git</developerConnection>
     <url>scm:git:git@github.com:bigdatagenomics/adam.git</url>
-    <tag>master</tag>
+    <tag>adam-parent-spark2_2.11-0.31.0</tag>
   </scm>
   <developers>
     <developer>