diff --git a/adam-apis/pom.xml b/adam-apis/pom.xml
index 8906eacf50..a70ac8d5ab 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_2.12</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 537d777053..eae7bbd7f3 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_2.12</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 1899361c35..a1b7e63308 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_2.12</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 1f2180e2c7..31aea9216f 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_2.12</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 45f0aad6c6..5f2c16c472 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_2.12</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 c1cc1dd420..51695e7261 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_2.12</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 af7b90907b..3dc66b4e06 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_2.12</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 b59c69eab4..7b1cefe6ac 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_2.12</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_2.12-0.31.0</tag>
   </scm>
   <developers>
     <developer>