diff --git a/dkpro-core-opennlp-asl/pom.xml b/dkpro-core-opennlp-asl/pom.xml
index 9696b539b..1f0a0b7b6 100644
--- a/dkpro-core-opennlp-asl/pom.xml
+++ b/dkpro-core-opennlp-asl/pom.xml
@@ -31,7 +31,7 @@
   <url>https://dkpro.github.io/dkpro-core/</url>
 
   <properties>
-    <opennlp.version>2.3.3</opennlp.version>
+    <opennlp.version>2.5.0</opennlp.version>
   </properties>
 
   <dependencies>
diff --git a/dkpro-core-opennlp-asl/src/main/java/org/dkpro/core/opennlp/OpenNlpPosTagger.java b/dkpro-core-opennlp-asl/src/main/java/org/dkpro/core/opennlp/OpenNlpPosTagger.java
index b3673f498..5f547606b 100644
--- a/dkpro-core-opennlp-asl/src/main/java/org/dkpro/core/opennlp/OpenNlpPosTagger.java
+++ b/dkpro-core-opennlp-asl/src/main/java/org/dkpro/core/opennlp/OpenNlpPosTagger.java
@@ -56,6 +56,7 @@
 import eu.openminted.share.annotations.api.DocumentationResource;
 import eu.openminted.share.annotations.api.constants.OperationType;
 import opennlp.tools.postag.POSModel;
+import opennlp.tools.postag.POSTagFormat;
 import opennlp.tools.postag.POSTaggerME;
 
 /**
@@ -195,7 +196,7 @@ protected POSTaggerME produceResource(InputStream aStream)
 
 // tag::model-provider-decl[]
                 // Create a new POS tagger instance from the loaded model
-                return new POSTaggerME(model);
+                return new POSTaggerME(model, POSTagFormat.CUSTOM);
             }
         };
 // end::model-provider-decl[]