diff --git a/build.xml b/build.xml
index 4a5a20a82938..82b20773d749 100644
--- a/build.xml
+++ b/build.xml
@@ -7,7 +7,7 @@
   <property name="target" location="target" />
   <property name="bin" location="${target}/main" />
   <property name="version-base" value="4.9" />
-  <property name="version-status" value="b3" />
+  <property name="version-status" value="b4" />
   <property name="version" value="${version-base}${version-status}" />
   <property name="dist" value="junit${version}" />
   <property name="versionfile" value="${src}/junit/runner/Version.java" />
diff --git a/src/main/java/junit/runner/Version.java b/src/main/java/junit/runner/Version.java
index d9f38adece9c..2b13ddc0dd32 100644
--- a/src/main/java/junit/runner/Version.java
+++ b/src/main/java/junit/runner/Version.java
@@ -9,7 +9,7 @@ private Version() {
 	}
 
 	public static String id() {
-		return "4.9b3";
+		return "4.9b4";
 	}
 	
 	public static void main(String[] args) {