diff --git a/pom.xml b/pom.xml
index 794bef1c9..da256634c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.4</version>
+        <version>3.5-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 41029d6a8..dfc00c219 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/gatk-queue-extensions-distribution/pom.xml b/protected/gatk-queue-extensions-distribution/pom.xml
index d64e3f120..6d484c8f7 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/gatk-queue-package-distribution/pom.xml b/protected/gatk-queue-package-distribution/pom.xml
index b605bf61e..510aa339b 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/gatk-tools-protected/pom.xml b/protected/gatk-tools-protected/pom.xml
index ce63b594d..9592586d2 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/protected/pom.xml b/protected/pom.xml
index cae185e15..edfd9e7b3 100644
--- a/protected/pom.xml
+++ b/protected/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../public/gatk-root</relativePath>
     </parent>
 
diff --git a/public/VectorPairHMM/pom.xml b/public/VectorPairHMM/pom.xml
index 05c6a5851..ccbc99eef 100644
--- a/public/VectorPairHMM/pom.xml
+++ b/public/VectorPairHMM/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../../public/gatk-root</relativePath>
     </parent>
 
diff --git a/public/external-example/pom.xml b/public/external-example/pom.xml
index ac47625c3..02eaa9800 100644
--- a/public/external-example/pom.xml
+++ b/public/external-example/pom.xml
@@ -9,7 +9,7 @@
     <name>External Example</name>
 
     <properties>
-        <gatk.version>3.4</gatk.version>
+        <gatk.version>3.5-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 c6c0be5f4..167507649 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-queue-extensions-generator/pom.xml b/public/gatk-queue-extensions-generator/pom.xml
index 530cc7a39..bd0bc3567 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-queue-extensions-public/pom.xml b/public/gatk-queue-extensions-public/pom.xml
index 9b1796ea2..f2caa4466 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-queue/pom.xml b/public/gatk-queue/pom.xml
index 00c36f5d7..26db30418 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-root/pom.xml b/public/gatk-root/pom.xml
index 3ef7d334d..ad50f3633 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>3.4</version>
+    <version>3.5-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 e5af4d8ff..347839ec7 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gatk-utils/pom.xml b/public/gatk-utils/pom.xml
index fce54e9cc..25241183c 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/gsalib/pom.xml b/public/gsalib/pom.xml
index 00a84c6a5..5546ac79c 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/public/package-tests/pom.xml b/public/package-tests/pom.xml
index 3683ccb67..2f2e74940 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>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>../gatk-root</relativePath>
     </parent>
 
diff --git a/public/pom.xml b/public/pom.xml
index f4cea4f85..a166255a1 100644
--- a/public/pom.xml
+++ b/public/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.broadinstitute.gatk</groupId>
         <artifactId>gatk-root</artifactId>
-        <version>3.4</version>
+        <version>3.5-SNAPSHOT</version>
         <relativePath>gatk-root</relativePath>
     </parent>