diff --git a/build.xml b/build.xml
index 2eddf722f..856b73465 100644
--- a/build.xml
+++ b/build.xml
@@ -40,7 +40,7 @@ under the License.
 
     <description>The Apache POI project Ant build.</description>
 
-    <property name="version.id" value="3.15-beta3"/>
+    <property name="version.id" value="3.15-beta4"/>
     <property name="release.rc" value="RC1"/>
 
     <property environment="env"/>
diff --git a/sonar/examples/pom.xml b/sonar/examples/pom.xml
index e0e6a24a1..cac1dc446 100644
--- a/sonar/examples/pom.xml
+++ b/sonar/examples/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
     </parent>
     <artifactId>poi-examples</artifactId>
     <packaging>jar</packaging>
diff --git a/sonar/excelant/pom.xml b/sonar/excelant/pom.xml
index db1a4513d..2cbeec728 100644
--- a/sonar/excelant/pom.xml
+++ b/sonar/excelant/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
     </parent>
     <artifactId>poi-excelant</artifactId>
     <packaging>jar</packaging>
diff --git a/sonar/main/pom.xml b/sonar/main/pom.xml
index ffc9499d9..26a8f2ba4 100644
--- a/sonar/main/pom.xml
+++ b/sonar/main/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
     </parent>
     <artifactId>poi-main</artifactId>
     <packaging>jar</packaging>
diff --git a/sonar/ooxml-schema-encryption/pom.xml b/sonar/ooxml-schema-encryption/pom.xml
index 1366a2bad..d704a6525 100644
--- a/sonar/ooxml-schema-encryption/pom.xml
+++ b/sonar/ooxml-schema-encryption/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
     <artifactId>poi-ooxml-schema-encryption</artifactId>
diff --git a/sonar/ooxml-schema-security/pom.xml b/sonar/ooxml-schema-security/pom.xml
index 336bf88fb..7aae600f4 100644
--- a/sonar/ooxml-schema-security/pom.xml
+++ b/sonar/ooxml-schema-security/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
     <artifactId>poi-ooxml-schema-security</artifactId>
diff --git a/sonar/ooxml-schema/pom.xml b/sonar/ooxml-schema/pom.xml
index c6e7d7d85..e1d6526da 100644
--- a/sonar/ooxml-schema/pom.xml
+++ b/sonar/ooxml-schema/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
     <artifactId>poi-ooxml-schema</artifactId>
diff --git a/sonar/ooxml/pom.xml b/sonar/ooxml/pom.xml
index 3a0079cf6..305695ff1 100644
--- a/sonar/ooxml/pom.xml
+++ b/sonar/ooxml/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
     </parent>
     <artifactId>poi-ooxml</artifactId>
     <packaging>jar</packaging>
diff --git a/sonar/pom.xml b/sonar/pom.xml
index 508a02343..5acb3a5da 100644
--- a/sonar/pom.xml
+++ b/sonar/pom.xml
@@ -3,7 +3,7 @@
 	<groupId>org.apache.poi</groupId>
 	<artifactId>poi-parent</artifactId>
 	<packaging>pom</packaging>
-	<version>3.15-beta3-SNAPSHOT</version>
+	<version>3.15-beta4-SNAPSHOT</version>
 	<name>Apache POI - the Java API for Microsoft Documents</name>
 	<description>Maven build of Apache POI for Sonar checks</description>
 	<url>http://poi.apache.org/</url>
diff --git a/sonar/scratchpad/pom.xml b/sonar/scratchpad/pom.xml
index 790299cbe..91ede69a1 100644
--- a/sonar/scratchpad/pom.xml
+++ b/sonar/scratchpad/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.apache.poi</groupId>
         <artifactId>poi-parent</artifactId>
-        <version>3.15-beta3-SNAPSHOT</version>
+        <version>3.15-beta4-SNAPSHOT</version>
     </parent>
     <artifactId>poi-scratchpad</artifactId>
     <packaging>jar</packaging>