diff --git a/examples/batch-predictor/pom.xml b/examples/batch-predictor/pom.xml
index c2508ffe..d5ba8146 100644
--- a/examples/batch-predictor/pom.xml
+++ b/examples/batch-predictor/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
     <relativePath>../../</relativePath>
   </parent>
 
@@ -24,7 +24,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/examples/custom-metrics/pom.xml b/examples/custom-metrics/pom.xml
index 01b87bf7..edb71bad 100644
--- a/examples/custom-metrics/pom.xml
+++ b/examples/custom-metrics/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
     <relativePath>../../</relativePath>
   </parent>
 
@@ -24,7 +24,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/examples/mlengine-example/pom.xml b/examples/mlengine-example/pom.xml
index 81de2506..a83fd1cc 100644
--- a/examples/mlengine-example/pom.xml
+++ b/examples/mlengine-example/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
     <relativePath>../../</relativePath>
   </parent>
 
@@ -23,7 +23,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/pom.xml b/pom.xml
index 679a4664..e8130c81 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
   <name>zoltar-parent</name>
   <artifactId>zoltar-parent</artifactId>
-  <version>0.6.0-SNAPSHOT</version>
+  <version>0.6.0-M3</version>
   <packaging>pom</packaging>
 
   <parent>
@@ -38,7 +38,7 @@
     <url>https://github.com/spotify/zoltar</url>
     <connection>scm:git:git@github.com:spotify/zoltar.git</connection>
     <developerConnection>scm:git:git@github.com:spotify/zoltar.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>0.6.0-M3</tag>
   </scm>
 
   <developers>
diff --git a/zoltar-api/pom.xml b/zoltar-api/pom.xml
index 2ab1d2cb..70bbfc2c 100644
--- a/zoltar-api/pom.xml
+++ b/zoltar-api/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -14,7 +14,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-bom/pom.xml b/zoltar-bom/pom.xml
index e3426134..76cb19ef 100644
--- a/zoltar-bom/pom.xml
+++ b/zoltar-bom/pom.xml
@@ -1,13 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>zoltar-parent</artifactId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <name>Zoltar Bill of Materials</name>
   <artifactId>zoltar-bom</artifactId>
@@ -44,42 +42,42 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-api</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-core</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-featran</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-metrics</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-tensorflow</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-tests</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-xgboost</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-mlengine</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
       </dependency>
       <dependency>
         <groupId>com.spotify.metrics</groupId>
diff --git a/zoltar-core/pom.xml b/zoltar-core/pom.xml
index 40be3aa7..0ea02f59 100644
--- a/zoltar-core/pom.xml
+++ b/zoltar-core/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -14,7 +14,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-featran/pom.xml b/zoltar-featran/pom.xml
index edcf7730..c8b85d56 100644
--- a/zoltar-featran/pom.xml
+++ b/zoltar-featran/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -14,7 +14,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-jmh/pom.xml b/zoltar-jmh/pom.xml
index 70e11541..e9fe54f9 100644
--- a/zoltar-jmh/pom.xml
+++ b/zoltar-jmh/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -18,7 +18,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-metrics/pom.xml b/zoltar-metrics/pom.xml
index f879494e..bcc3f8ec 100644
--- a/zoltar-metrics/pom.xml
+++ b/zoltar-metrics/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -14,7 +14,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-mlengine/pom.xml b/zoltar-mlengine/pom.xml
index 05d3a266..289085aa 100644
--- a/zoltar-mlengine/pom.xml
+++ b/zoltar-mlengine/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -14,7 +14,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-tensorflow/pom.xml b/zoltar-tensorflow/pom.xml
index 08553e27..143d93be 100644
--- a/zoltar-tensorflow/pom.xml
+++ b/zoltar-tensorflow/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -14,7 +14,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-tests/pom.xml b/zoltar-tests/pom.xml
index a4f1d7e6..7d50cfb4 100644
--- a/zoltar-tests/pom.xml
+++ b/zoltar-tests/pom.xml
@@ -1,12 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>zoltar-tests</artifactId>
@@ -15,7 +13,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/zoltar-xgboost/pom.xml b/zoltar-xgboost/pom.xml
index 58307f84..42d2e936 100644
--- a/zoltar-xgboost/pom.xml
+++ b/zoltar-xgboost/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>zoltar-parent</artifactId>
     <groupId>com.spotify</groupId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0-M3</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -14,7 +14,7 @@
       <dependency>
         <groupId>com.spotify</groupId>
         <artifactId>zoltar-bom</artifactId>
-        <version>0.6.0-SNAPSHOT</version>
+        <version>0.6.0-M3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>