diff --git a/CHANGELOG.md b/CHANGELOG.md
index 993ce9619..514bbcdd7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - The `Problem` (of error responses) is expanded by a hint that gives clearer information about the actual error
 - The related entities of Manifestations and Works contain their name if they are `NamedEntity`s and are an instance
   of the proper derived `Entity` class
+- Add allowed media type "Object"
 
 ## [9.1.0](https://github.com/dbmdz/metadata-service/releases/tag/9.1.0) - 2024-04-16
 
diff --git a/metasvc-client/pom.xml b/metasvc-client/pom.xml
index 11201367e..7eb72516f 100644
--- a/metasvc-client/pom.xml
+++ b/metasvc-client/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Client</name>
diff --git a/metasvc-lobid-client/pom.xml b/metasvc-lobid-client/pom.xml
index 0e48cb35a..29c0a47ca 100644
--- a/metasvc-lobid-client/pom.xml
+++ b/metasvc-lobid-client/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: lobid.org Client</name>
diff --git a/metasvc-model/pom.xml b/metasvc-model/pom.xml
index d13330fb3..d1f118abc 100644
--- a/metasvc-model/pom.xml
+++ b/metasvc-model/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Model</name>
diff --git a/metasvc-server/backend-api/pom.xml b/metasvc-server/backend-api/pom.xml
index 6766435b8..eaceba196 100644
--- a/metasvc-server/backend-api/pom.xml
+++ b/metasvc-server/backend-api/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc-server</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server (Backend API)</name>
diff --git a/metasvc-server/backend-file/pom.xml b/metasvc-server/backend-file/pom.xml
index 74974d318..f4057c0b5 100644
--- a/metasvc-server/backend-file/pom.xml
+++ b/metasvc-server/backend-file/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc-server</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server (Backend IMPL File)</name>
diff --git a/metasvc-server/backend-inmemory/pom.xml b/metasvc-server/backend-inmemory/pom.xml
index bbb6acc50..4185b08e8 100644
--- a/metasvc-server/backend-inmemory/pom.xml
+++ b/metasvc-server/backend-inmemory/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc-server</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server (Backend IMPL InMemory)</name>
diff --git a/metasvc-server/backend-jdbi/pom.xml b/metasvc-server/backend-jdbi/pom.xml
index 662bf5a13..9979e9110 100644
--- a/metasvc-server/backend-jdbi/pom.xml
+++ b/metasvc-server/backend-jdbi/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc-server</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server (Backend IMPL JDBI PostgreSql)</name>
diff --git a/metasvc-server/backend-lobid/pom.xml b/metasvc-server/backend-lobid/pom.xml
index 1781c59a5..25cc4b13a 100644
--- a/metasvc-server/backend-lobid/pom.xml
+++ b/metasvc-server/backend-lobid/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc-server</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server (Backend IMPL External System lobid.org)</name>
diff --git a/metasvc-server/business/pom.xml b/metasvc-server/business/pom.xml
index 77905230a..2b9c95d5e 100644
--- a/metasvc-server/business/pom.xml
+++ b/metasvc-server/business/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc-server</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server (Business)</name>
diff --git a/metasvc-server/pom.xml b/metasvc-server/pom.xml
index 12b9f2ea8..9a0288e69 100644
--- a/metasvc-server/pom.xml
+++ b/metasvc-server/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server</name>
diff --git a/metasvc-server/webapp/pom.xml b/metasvc-server/webapp/pom.xml
index c37f74f56..d0feedfee 100644
--- a/metasvc-server/webapp/pom.xml
+++ b/metasvc-server/webapp/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>io.github.dbmdz.metadata</groupId>
     <artifactId>metasvc-server</artifactId>
-    <version>9.2.0-RC2</version>
+    <version>9.2.0-RC3</version>
   </parent>
 
   <name>Metadata-Service: Repository Server (Webapp)</name>
diff --git a/metasvc-server/webapp/src/main/resources/application-typedeclarations.yml b/metasvc-server/webapp/src/main/resources/application-typedeclarations.yml
index 2518f67ba..8018a921b 100644
--- a/metasvc-server/webapp/src/main/resources/application-typedeclarations.yml
+++ b/metasvc-server/webapp/src/main/resources/application-typedeclarations.yml
@@ -13,6 +13,7 @@ application:
       - ISSUE
       - MICROSCOPE_IMAGES
       - NEWSPAPER
+      - OBJECT
       - PART
       - SERIAL
       - SPECTRALLYOPTIMIZED_IMAGES
diff --git a/pom.xml b/pom.xml
index 0410c7cbc..3b8872e15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
   <groupId>io.github.dbmdz.metadata</groupId>
   <artifactId>metasvc</artifactId>
-  <version>9.2.0-RC2</version>
+  <version>9.2.0-RC3</version>
   <packaging>pom</packaging>
 
   <name>Metadata-Service</name>