diff --git a/core/pom.xml b/core/pom.xml
index a51cfca1..27a7aac3 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>io.xpydev</groupId>
         <artifactId>paycoinj-parent</artifactId>
-        <version>0.1.0</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>paycoinj</artifactId>
diff --git a/core/src/main/java/io/xpydev/paycoinj/core/NetworkParameters.java b/core/src/main/java/io/xpydev/paycoinj/core/NetworkParameters.java
index 7ac018e7..0ff580fb 100644
--- a/core/src/main/java/io/xpydev/paycoinj/core/NetworkParameters.java
+++ b/core/src/main/java/io/xpydev/paycoinj/core/NetworkParameters.java
@@ -45,7 +45,7 @@ public abstract class NetworkParameters implements Serializable {
     /**
      * The protocol version this library implements.
      */
-    public static final int PROTOCOL_VERSION = 70003;
+    public static final int PROTOCOL_VERSION = 70004;
 
     /**
      * The alert signing key.
diff --git a/core/src/main/java/io/xpydev/paycoinj/core/VersionMessage.java b/core/src/main/java/io/xpydev/paycoinj/core/VersionMessage.java
index 6e0ba66c..b9c75523 100644
--- a/core/src/main/java/io/xpydev/paycoinj/core/VersionMessage.java
+++ b/core/src/main/java/io/xpydev/paycoinj/core/VersionMessage.java
@@ -77,7 +77,7 @@ public class VersionMessage extends Message {
     public boolean relayTxesBeforeFilter;
 
     /** The version of this library release, as a string. */
-    public static final String PAYCOINJ_VERSION = "0.1.0";
+    public static final String PAYCOINJ_VERSION = "0.3.1";
     /** The value that is prepended to the subVer field of this application. */
     public static final String LIBRARY_SUBVER = "/paycoinJ:" + PAYCOINJ_VERSION + "/";
 
diff --git a/examples/pom.xml b/examples/pom.xml
index c04c93bd..f8633ea9 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.xpydev</groupId>
         <artifactId>paycoinj-parent</artifactId>
-        <version>0.1.0</version>
+        <version>0.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>io.xpydev</groupId>
             <artifactId>paycoinj</artifactId>
-            <version>0.1.0</version>
+            <version>0.3.1</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/orchid/pom.xml b/orchid/pom.xml
index c2492c36..24b03783 100644
--- a/orchid/pom.xml
+++ b/orchid/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>io.xpydev</groupId>
         <artifactId>paycoinj-parent</artifactId>
-        <version>0.1.0</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>orchid</artifactId>
diff --git a/pom.xml b/pom.xml
index 09dc368e..b9e4b776 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>io.xpydev</groupId>
   <artifactId>paycoinj-parent</artifactId>
-  <version>0.1.0</version>
+  <version>0.3.1</version>
   <packaging>pom</packaging>
 
   <modules>
diff --git a/tools/pom.xml b/tools/pom.xml
index 778feb49..5c2d8157 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.ligerzero459</groupId>
     <artifactId>paycoinj-parent</artifactId>
-    <version>0.1.0</version>
+    <version>0.3.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -86,7 +86,7 @@
     <dependency>
       <groupId>com.ligerzero459</groupId>
       <artifactId>paycoinj</artifactId>
-      <version>0.1.0</version>
+      <version>0.3.1</version>
     </dependency>
   </dependencies>
 </project>