diff --git a/README.md b/README.md
index 0f33f1ba8..34131e78d 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ You can depend on parts of Archie, or the entire library at once. If you want th
 
 ```gradle
 dependencies {
-    compile 'com.nedap.healthcare.archie:archie-all:3.8.0'
+    compile 'com.nedap.healthcare.archie:archie-all:3.9.0'
 }
 ```
 
@@ -28,11 +28,11 @@ or if you use maven, in your pom.xml
 <dependency>
     <groupId>com.nedap.healthcare.archie</groupId>
     <artifactId>archie-all</artifactId>
-    <version>3.8.0</version>
+    <version>3.9.0</version>
 </dependency>
 ```
 
-If you want to depend on just the AOM and BMM, without any reference model implementation, depend on com.nedap.healthcare.archie:tools:3.8.0 and com.nedap.healthcare.archie:referencemodels:3.8.0 instead
+If you want to depend on just the AOM and BMM, without any reference model implementation, depend on com.nedap.healthcare.archie:tools:3.9.0 and com.nedap.healthcare.archie:referencemodels:3.9.0 instead
 
 
 ## Build
diff --git a/build.gradle b/build.gradle
index f1aabe10f..614613287 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ wrapper {
 }
 
 allprojects {
-  version = '3.8.0'
+  version = '3.9.0'
   group = 'com.nedap.healthcare.archie'
   ext.gradleScriptDir = "${rootProject.projectDir}/gradle"
   //archivesBaseName = 'archie'