diff --git a/alexandria-markup-api/pom.xml b/alexandria-markup-api/pom.xml
index 2abdbc4..679879f 100644
--- a/alexandria-markup-api/pom.xml
+++ b/alexandria-markup-api/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>nl.knaw.huygens.alexandria</groupId>
     <artifactId>alexandria</artifactId>
-    <version>2.3.3-SNAPSHOT</version>
+    <version>2.4</version>
   </parent>
   <artifactId>alexandria-markup-api</artifactId>
 
diff --git a/alexandria-markup-client/pom.xml b/alexandria-markup-client/pom.xml
index 11fab5e..b1f78f9 100644
--- a/alexandria-markup-client/pom.xml
+++ b/alexandria-markup-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>nl.knaw.huygens.alexandria</groupId>
         <artifactId>alexandria</artifactId>
-        <version>2.3.3-SNAPSHOT</version>
+        <version>2.4</version>
     </parent>
     <artifactId>alexandria-markup-client</artifactId>
 
diff --git a/alexandria-markup-server/pom.xml b/alexandria-markup-server/pom.xml
index 9bc6684..12b4429 100644
--- a/alexandria-markup-server/pom.xml
+++ b/alexandria-markup-server/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>nl.knaw.huygens.alexandria</groupId>
         <artifactId>alexandria</artifactId>
-        <version>2.3.3-SNAPSHOT</version>
+        <version>2.4</version>
     </parent>
     <artifactId>alexandria-markup-server</artifactId>
 
diff --git a/alexandria-markup-server/src/main/java/nl/knaw/huygens/alexandria/dropwizard/ServerApplication.java b/alexandria-markup-server/src/main/java/nl/knaw/huygens/alexandria/dropwizard/ServerApplication.java
index 044d138..3bb43a7 100644
--- a/alexandria-markup-server/src/main/java/nl/knaw/huygens/alexandria/dropwizard/ServerApplication.java
+++ b/alexandria-markup-server/src/main/java/nl/knaw/huygens/alexandria/dropwizard/ServerApplication.java
@@ -9,9 +9,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- *
+ * 
  *      http://www.apache.org/licenses/LICENSE-2.0
- *
+ * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/pom.xml b/pom.xml
index 671f6bd..f681644 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>nl.knaw.huygens.alexandria</groupId>
     <artifactId>alexandria</artifactId>
-    <version>2.3.3-SNAPSHOT</version>
+    <version>2.4</version>
     <inceptionYear>2015</inceptionYear>
     <packaging>pom</packaging>
     <modules>
@@ -26,7 +26,7 @@
         <maven.build.timestamp.format>yyyy-MM-dd'T'HH:mm:ss'Z'</maven.build.timestamp.format>
 
         <activation.version>1.1.1</activation.version>
-        <alexandria-markup.version>2.3.3-SNAPSHOT</alexandria-markup.version>
+        <alexandria-markup.version>2.4</alexandria-markup.version>
         <appassembler-maven-plugin.version>2.0.0</appassembler-maven-plugin.version>
         <assertj.version>3.14.0</assertj.version>
         <build-helper-maven.version>3.0.0</build-helper-maven.version>