diff --git a/drift-api/pom.xml b/drift-api/pom.xml
index 64fbaba0b..9ec093539 100644
--- a/drift-api/pom.xml
+++ b/drift-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
     </parent>
 
     <artifactId>drift-api</artifactId>
diff --git a/drift-client/pom.xml b/drift-client/pom.xml
index 1aabcf7d7..2b917675f 100644
--- a/drift-client/pom.xml
+++ b/drift-client/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/drift-codec-utils/pom.xml b/drift-codec-utils/pom.xml
index fe31c98d1..edd6c1500 100644
--- a/drift-codec-utils/pom.xml
+++ b/drift-codec-utils/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
     </parent>
 
     <artifactId>drift-codec-utils</artifactId>
diff --git a/drift-codec/pom.xml b/drift-codec/pom.xml
index c9e3d3221..34d2782ac 100644
--- a/drift-codec/pom.xml
+++ b/drift-codec/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
     </parent>
 
     <artifactId>drift-codec</artifactId>
diff --git a/drift-idl-generator/pom.xml b/drift-idl-generator/pom.xml
index 800fa9886..7bf88f1e9 100644
--- a/drift-idl-generator/pom.xml
+++ b/drift-idl-generator/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
     </parent>
 
     <artifactId>drift-idl-generator</artifactId>
diff --git a/drift-integration-tests/pom.xml b/drift-integration-tests/pom.xml
index 56433b882..7a83c4c0e 100644
--- a/drift-integration-tests/pom.xml
+++ b/drift-integration-tests/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/drift-javadoc/pom.xml b/drift-javadoc/pom.xml
index 8a92c2576..5cd9a3371 100644
--- a/drift-javadoc/pom.xml
+++ b/drift-javadoc/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
     </parent>
 
     <artifactId>drift-javadoc</artifactId>
diff --git a/drift-maven-plugin/pom.xml b/drift-maven-plugin/pom.xml
index bd829565c..b3669e304 100644
--- a/drift-maven-plugin/pom.xml
+++ b/drift-maven-plugin/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
     </parent>
 
     <artifactId>drift-maven-plugin</artifactId>
diff --git a/drift-protocol/pom.xml b/drift-protocol/pom.xml
index ad70153f7..3a806558c 100644
--- a/drift-protocol/pom.xml
+++ b/drift-protocol/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
     </parent>
 
     <artifactId>drift-protocol</artifactId>
diff --git a/drift-server/pom.xml b/drift-server/pom.xml
index eb127879b..5cb3ef24d 100644
--- a/drift-server/pom.xml
+++ b/drift-server/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/drift-transport-apache/pom.xml b/drift-transport-apache/pom.xml
index 4111fd9a3..ef75829ff 100644
--- a/drift-transport-apache/pom.xml
+++ b/drift-transport-apache/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/drift-transport-netty/pom.xml b/drift-transport-netty/pom.xml
index 02d7be7f5..aaf0caab5 100644
--- a/drift-transport-netty/pom.xml
+++ b/drift-transport-netty/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/drift-transport-spi/pom.xml b/drift-transport-spi/pom.xml
index 05f5847f9..23a2e2c84 100644
--- a/drift-transport-spi/pom.xml
+++ b/drift-transport-spi/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.facebook.drift</groupId>
         <artifactId>drift-root</artifactId>
-        <version>1.39</version>
+        <version>1.40-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index c0c873659..8afbdfddb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
     <groupId>com.facebook.drift</groupId>
     <artifactId>drift-root</artifactId>
-    <version>1.39</version>
+    <version>1.40-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>drift-root</name>
@@ -20,7 +20,7 @@
     <scm>
         <connection>scm:git:git://github.com/airlift/drift.git</connection>
         <url>https://github.com/prestodb/drift</url>
-        <tag>1.39</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <modules>