diff --git a/pom.xml b/pom.xml
index dab66ddd9..39627d1d0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>public/gatk-root</relativePath>
     </parent>
 
diff --git a/protected/gatk-package-distribution/pom.xml b/protected/gatk-package-distribution/pom.xml
index 55105d8f8..86d113fcf 100644
--- a/protected/gatk-package-distribution/pom.xml
+++ b/protected/gatk-package-distribution/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/gatk-queue-extensions-distribution/pom.xml b/protected/gatk-queue-extensions-distribution/pom.xml
index 5737c4670..54ef60507 100644
--- a/protected/gatk-queue-extensions-distribution/pom.xml
+++ b/protected/gatk-queue-extensions-distribution/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/gatk-queue-package-distribution/pom.xml b/protected/gatk-queue-package-distribution/pom.xml
index 981b600b8..596ef3277 100644
--- a/protected/gatk-queue-package-distribution/pom.xml
+++ b/protected/gatk-queue-package-distribution/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/gatk-tools-protected/pom.xml b/protected/gatk-tools-protected/pom.xml
index 8ceb84c45..b8625ae12 100644
--- a/protected/gatk-tools-protected/pom.xml
+++ b/protected/gatk-tools-protected/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/pom.xml b/protected/pom.xml
index 706087b30..44168d53d 100644
--- a/protected/pom.xml
+++ b/protected/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../public/gatk-root</relativePath>
     </parent>
 
diff --git a/public/external-example/pom.xml b/public/external-example/pom.xml
index c23082389..86fe100a8 100644
--- a/public/external-example/pom.xml
+++ b/public/external-example/pom.xml
@@ -9,7 +9,7 @@
     <name>External Example</name>
 
     <properties>
-        <gatk.version>3.8</gatk.version>
+        <gatk.version>3.9-SNAPSHOT</gatk.version>
         <!--
         gatk.basedir property must point to your checkout of GATK/GATK until we can get all the
         dependencies out of the committed gatk repo and into central.
diff --git a/public/gatk-engine/pom.xml b/public/gatk-engine/pom.xml
index e515e518e..fc02c7044 100644
--- a/public/gatk-engine/pom.xml
+++ b/public/gatk-engine/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-queue-extensions-generator/pom.xml b/public/gatk-queue-extensions-generator/pom.xml
index e32947bf5..e4c980916 100644
--- a/public/gatk-queue-extensions-generator/pom.xml
+++ b/public/gatk-queue-extensions-generator/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-queue-extensions-public/pom.xml b/public/gatk-queue-extensions-public/pom.xml
index 1debb3865..64303c307 100644
--- a/public/gatk-queue-extensions-public/pom.xml
+++ b/public/gatk-queue-extensions-public/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-queue/pom.xml b/public/gatk-queue/pom.xml
index 3bb65d41a..5b1459b57 100644
--- a/public/gatk-queue/pom.xml
+++ b/public/gatk-queue/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-root/pom.xml b/public/gatk-root/pom.xml
index 5b15bda67..4440b32c1 100644
--- a/public/gatk-root/pom.xml
+++ b/public/gatk-root/pom.xml
@@ -12,7 +12,7 @@
 
     <groupId>org.broadinstitute.gatk</groupId>
     <artifactId>gatk-root</artifactId>
-    <version>3.8</version>
+    <version>3.9-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>GATK Root</name>
 
diff --git a/public/gatk-tools-public/pom.xml b/public/gatk-tools-public/pom.xml
index 589310797..1e1a64a26 100644
--- a/public/gatk-tools-public/pom.xml
+++ b/public/gatk-tools-public/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-utils/pom.xml b/public/gatk-utils/pom.xml
index d3e1d09e7..eb5507095 100644
--- a/public/gatk-utils/pom.xml
+++ b/public/gatk-utils/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gsalib/pom.xml b/public/gsalib/pom.xml
index 62dd555a3..6350ab676 100644
--- a/public/gsalib/pom.xml
+++ b/public/gsalib/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-aggregator</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/package-tests/pom.xml b/public/package-tests/pom.xml
index be02e38da..ab710edac 100644
--- a/public/package-tests/pom.xml
+++ b/public/package-tests/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>../gatk-root</relativePath>
     </parent>
 
diff --git a/public/pom.xml b/public/pom.xml
index b9399b1e7..225065788 100644
--- a/public/pom.xml
+++ b/public/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.8</version>
+        <version>3.9-SNAPSHOT</version>
         <relativePath>gatk-root</relativePath>
     </parent>