diff --git a/benchmark/build.gradle b/benchmark/build.gradle
index 3b7ce3326..e7653d4d1 100644
--- a/benchmark/build.gradle
+++ b/benchmark/build.gradle
@@ -1,4 +1,4 @@
-project.version = "0.42.0" // {x-version-update:benchmark:current}
+project.version = "0.42.1-SNAPSHOT" // {x-version-update:benchmark:current}
 
 buildscript {
     repositories {
diff --git a/build.gradle b/build.gradle
index 062a9d873..c435cda00 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ apply plugin: 'java'
 apply plugin: 'com.github.sherter.google-java-format'
 apply plugin: 'io.codearte.nexus-staging'
 
-project.version = "1.40.0" // {x-version-update:gax:current}
+project.version = "1.40.1-SNAPSHOT" // {x-version-update:gax:current}
 
 ext {
   // When upgrading grpc, make sure to upgrade opencensusVersion to be consistent with grpc.
diff --git a/gax-bom/build.gradle b/gax-bom/build.gradle
index 137a332cc..64a712bc3 100644
--- a/gax-bom/build.gradle
+++ b/gax-bom/build.gradle
@@ -12,7 +12,7 @@ buildscript {
 
 archivesBaseName = "gax-bom"
 
-project.version = "1.40.0" // {x-version-update:gax-bom:current}
+project.version = "1.40.1-SNAPSHOT" // {x-version-update:gax-bom:current}
 
 ext {
   mavenJavaDir = "$project.buildDir/publications/mavenJava"
diff --git a/gax-bom/pom.xml b/gax-bom/pom.xml
index 71bae1de2..5f6645522 100644
--- a/gax-bom/pom.xml
+++ b/gax-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api</groupId>
   <artifactId>gax-bom</artifactId>
-  <version>1.40.0</version><!-- {x-version-update:gax-bom:current} -->
+  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:gax-bom:current} -->
   <packaging>pom</packaging>
   <name>GAX (Google Api eXtensions) for Java</name>
   <description>Google Api eXtensions for Java</description>
@@ -33,34 +33,34 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>1.40.0</version><!-- {x-version-update:gax:current} -->
+        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>1.40.0</version><!-- {x-version-update:gax:current} -->
+        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
 	<classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-grpc</artifactId>
-        <version>1.40.0</version><!-- {x-version-update:gax-grpc:current} -->
+        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-grpc</artifactId>
-        <version>1.40.0</version><!-- {x-version-update:gax-grpc:current} -->
+        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
 	<classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-httpjson</artifactId>
-        <version>0.57.0</version><!-- {x-version-update:gax-httpjson:current} -->
+        <version>0.57.1-SNAPSHOT</version><!-- {x-version-update:gax-httpjson:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-httpjson</artifactId>
-        <version>0.57.0</version><!-- {x-version-update:gax-httpjson:current} -->
+        <version>0.57.1-SNAPSHOT</version><!-- {x-version-update:gax-httpjson:current} -->
 	<classifier>testlib</classifier>
       </dependency>
     </dependencies>
diff --git a/gax-grpc/build.gradle b/gax-grpc/build.gradle
index 9e8c382e2..e317b20ee 100644
--- a/gax-grpc/build.gradle
+++ b/gax-grpc/build.gradle
@@ -1,7 +1,7 @@
 
 archivesBaseName = "gax-grpc"
 
-project.version = "1.40.0" // {x-version-update:gax-grpc:current}
+project.version = "1.40.1-SNAPSHOT" // {x-version-update:gax-grpc:current}
 
 dependencies {
   compile project(':gax'),
diff --git a/gax-httpjson/build.gradle b/gax-httpjson/build.gradle
index f638b327e..d0a2c09d6 100644
--- a/gax-httpjson/build.gradle
+++ b/gax-httpjson/build.gradle
@@ -1,7 +1,7 @@
 
 archivesBaseName = "gax-httpjson"
 
-project.version = "0.57.0" // {x-version-update:gax-httpjson:current}
+project.version = "0.57.1-SNAPSHOT" // {x-version-update:gax-httpjson:current}
 
 dependencies {
   compile project(':gax'),
diff --git a/gax/build.gradle b/gax/build.gradle
index 0d63b6769..94cc6f259 100644
--- a/gax/build.gradle
+++ b/gax/build.gradle
@@ -12,7 +12,7 @@ buildscript {
 
 archivesBaseName = "gax"
 
-project.version = "1.40.0" // {x-version-update:gax:current}
+project.version = "1.40.1-SNAPSHOT" // {x-version-update:gax:current}
 
 dependencies {
   compile libraries.guava,
diff --git a/samples/pom.xml b/samples/pom.xml
index 0f838928a..a752483b6 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -14,13 +14,13 @@
       <groupId>com.google.api</groupId>
       <artifactId>gax</artifactId>
       <!-- WARNING this is automatically populated by a build script, don't update manually -->
-      <version>1.40.0</version><!-- {x-version-update:gax:current} -->
+      <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
     </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax-grpc</artifactId>
       <!-- WARNING this is automatically populated by a build script, don't update manually -->
-      <version>1.40.0</version><!-- {x-version-update:gax-grpc:current} -->
+      <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
     </dependency>
     <dependency>
       <groupId>com.google.auto.value</groupId>
diff --git a/versions.txt b/versions.txt
index 8f2db13f1..dccbe2470 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-gax:1.40.0:1.40.0
-gax-bom:1.40.0:1.40.0
-gax-grpc:1.40.0:1.40.0
-gax-httpjson:0.57.0:0.57.0
-benchmark:0.42.0:0.42.0
+gax:1.40.0:1.40.1-SNAPSHOT
+gax-bom:1.40.0:1.40.1-SNAPSHOT
+gax-grpc:1.40.0:1.40.1-SNAPSHOT
+gax-httpjson:0.57.0:0.57.1-SNAPSHOT
+benchmark:0.42.0:0.42.1-SNAPSHOT