diff --git a/app/pom.xml b/app/pom.xml
index a824268e8df..4f5b9c8755f 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/debugger-app/pom.xml b/debugger-app/pom.xml
index e9f257e0ab6..df2ee92cb3a 100644
--- a/debugger-app/pom.xml
+++ b/debugger-app/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/debugger/pom.xml b/debugger/pom.xml
index dd92396e106..094a5e9b644 100644
--- a/debugger/pom.xml
+++ b/debugger/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/examples/pom.xml b/examples/pom.xml
index b37284c9003..e689e9b3049 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/fontbox/pom.xml b/fontbox/pom.xml
index 909b78d5899..9747ff8327a 100644
--- a/fontbox/pom.xml
+++ b/fontbox/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/io/pom.xml b/io/pom.xml
index f98b866139e..6812fa15c11 100644
--- a/io/pom.xml
+++ b/io/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.pdfbox</groupId>
         <artifactId>pdfbox-parent</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <relativePath>../parent/pom.xml</relativePath>
     </parent>
 
diff --git a/parent/pom.xml b/parent/pom.xml
index 1b911d4a89d..80dabe68847 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -29,7 +29,7 @@
 
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>PDFBox parent</name>
diff --git a/pdfbox/pom.xml b/pdfbox/pom.xml
index 4529bdcd00e..74b041a87ce 100644
--- a/pdfbox/pom.xml
+++ b/pdfbox/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.pdfbox</groupId>
         <artifactId>pdfbox-parent</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <relativePath>../parent/pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 6089531e5ff..9e9cd26a2d0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>parent/pom.xml</relativePath>
   </parent>
 
diff --git a/preflight-app/pom.xml b/preflight-app/pom.xml
index 98ed06b617e..dab45cdd2e2 100644
--- a/preflight-app/pom.xml
+++ b/preflight-app/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/preflight/pom.xml b/preflight/pom.xml
index 0a4ab6879b1..46a64ba5b67 100644
--- a/preflight/pom.xml
+++ b/preflight/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.pdfbox</groupId>
 		<artifactId>pdfbox-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath>../parent/pom.xml</relativePath>
 	</parent>
         
diff --git a/tools/pom.xml b/tools/pom.xml
index 054c023d48b..34ab1d7036e 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.pdfbox</groupId>
     <artifactId>pdfbox-parent</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <relativePath>../parent/pom.xml</relativePath>
   </parent>
 
diff --git a/xmpbox/pom.xml b/xmpbox/pom.xml
index 487c96f8d95..58bc298eec3 100644
--- a/xmpbox/pom.xml
+++ b/xmpbox/pom.xml
@@ -27,7 +27,7 @@
 	<parent>
 		<groupId>org.apache.pdfbox</groupId>
 		<artifactId>pdfbox-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath>../parent/pom.xml</relativePath>
 	</parent>