diff --git a/google-oauth-client-appengine/pom.xml b/google-oauth-client-appengine/pom.xml
index 8fa8914ea..4473bc26a 100644
--- a/google-oauth-client-appengine/pom.xml
+++ b/google-oauth-client-appengine/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-appengine</artifactId>
diff --git a/google-oauth-client-assembly/pom.xml b/google-oauth-client-assembly/pom.xml
index ad02b32b6..a6dabd512 100644
--- a/google-oauth-client-assembly/pom.xml
+++ b/google-oauth-client-assembly/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <groupId>com.google.oauth-client</groupId>
diff --git a/google-oauth-client-bom/pom.xml b/google-oauth-client-bom/pom.xml
index 7e396e35f..bab3ec0fe 100644
--- a/google-oauth-client-bom/pom.xml
+++ b/google-oauth-client-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.oauth-client</groupId>
   <artifactId>google-oauth-client-bom</artifactId>
-  <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+  <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
   <packaging>pom</packaging>
 
   <name>Google OAuth Client Library for Java BOM</name>
@@ -63,27 +63,27 @@
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client</artifactId>
-        <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-appengine</artifactId>
-        <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-java6</artifactId>
-        <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-jetty</artifactId>
-        <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-servlet</artifactId>
-        <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-oauth-client-java6/pom.xml b/google-oauth-client-java6/pom.xml
index 925a82dd1..e922fafb5 100644
--- a/google-oauth-client-java6/pom.xml
+++ b/google-oauth-client-java6/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-java6</artifactId>
diff --git a/google-oauth-client-jetty/pom.xml b/google-oauth-client-jetty/pom.xml
index 5b22ac456..5799cc6bd 100644
--- a/google-oauth-client-jetty/pom.xml
+++ b/google-oauth-client-jetty/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-jetty</artifactId>
diff --git a/google-oauth-client-servlet/pom.xml b/google-oauth-client-servlet/pom.xml
index 75be51b5f..b1d488904 100644
--- a/google-oauth-client-servlet/pom.xml
+++ b/google-oauth-client-servlet/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-servlet</artifactId>
diff --git a/google-oauth-client/pom.xml b/google-oauth-client/pom.xml
index e17fd7c2d..0759e425e 100644
--- a/google-oauth-client/pom.xml
+++ b/google-oauth-client/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client</artifactId>
diff --git a/pom.xml b/pom.xml
index 6e6c0ab2e..5d9f52c19 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>com.google.oauth-client</groupId>
   <artifactId>google-oauth-client-parent</artifactId>
-  <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+  <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
   <packaging>pom</packaging>
   <name>Parent for the Google OAuth Client Library for Java</name>
   <description>Google OAuth Client Library for Java</description>
diff --git a/samples/dailymotion-cmdline-sample/pom.xml b/samples/dailymotion-cmdline-sample/pom.xml
index ca377a3b9..cbcec1b6e 100644
--- a/samples/dailymotion-cmdline-sample/pom.xml
+++ b/samples/dailymotion-cmdline-sample/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>dailymotion-simple-cmdline-sample</artifactId>
diff --git a/samples/keycloak-pkce-cmdline-sample/pom.xml b/samples/keycloak-pkce-cmdline-sample/pom.xml
index 2308b530a..310337795 100644
--- a/samples/keycloak-pkce-cmdline-sample/pom.xml
+++ b/samples/keycloak-pkce-cmdline-sample/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.38.0</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.39.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>keycloak-pkce-cmdline-sample</artifactId>
diff --git a/versions.txt b/versions.txt
index 057190025..d75e8d532 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-oauth-client:1.38.0:1.38.0
+google-oauth-client:1.38.0:1.39.0-SNAPSHOT