diff --git a/README.md b/README.md
index 09336d7..6505d87 100644
--- a/README.md
+++ b/README.md
@@ -218,7 +218,7 @@ Release notes are available [release_notes.md](release_notes.md).
 <dependency>
     <groupId>de.bild.backend</groupId>
     <artifactId>polymorphia</artifactId>
-    <version>1.4.0</version>
+    <version>1.5.0</version>
 </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index d9faa56..6a37620 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>de.bild.backend</groupId>
     <artifactId>polymorphia</artifactId>
-    <version>1.4.0</version>
+    <version>1.5.0</version>
 
     <name>${project.groupId}:${project.artifactId}</name>
 
diff --git a/release_notes.md b/release_notes.md
index c70ed98..a854cb1 100644
--- a/release_notes.md
+++ b/release_notes.md
@@ -1,6 +1,14 @@
 Release Notes
 =======
 
+##1.5.0
+Abstract classes have been removed from indexing within PolymorphicReflectionCodec
+
+##1.4.0
+Improved handling for "legacy" entities that have no discriminator while encoding
+
+## 1.3.0
+ 
 ## 1.2.0
 - bug fix for polymorphic type detection
 
diff --git a/src/test/java/de/bild/codec/legacy/NoDiscriminatorForPolymorphicLeafClassesTest.java b/src/test/java/de/bild/codec/legacy/NoDiscriminatorForPolymorphicLeafClassesTest.java
index 6cc0de2..7505ebc 100644
--- a/src/test/java/de/bild/codec/legacy/NoDiscriminatorForPolymorphicLeafClassesTest.java
+++ b/src/test/java/de/bild/codec/legacy/NoDiscriminatorForPolymorphicLeafClassesTest.java
@@ -154,7 +154,7 @@ public void reorderingDocumentTest() {
         Assert.assertNotNull(documentContainer);
         Assert.assertEquals(documentContainer.documents.size(), 2);
         for (AbstractDocumentResult document : documentContainer.documents) {
-            MatcherAssert.assertThat(document, IsInstanceOf.instanceOf(AbstractDocumentResult.class));
+            MatcherAssert.assertThat(document, IsInstanceOf.instanceOf(DocumentResult.class));
         }
         for (UrlResult url : documentContainer.urls) {
             MatcherAssert.assertThat(url, IsInstanceOf.instanceOf(UrlResult.class));