diff --git a/vorgang-manager-base/pom.xml b/vorgang-manager-base/pom.xml
index e4632f3500f166f2cac79b7c16db9865e5378545..ac39c7bc368f07f96cb16c55be7f52f3354868a6 100644
--- a/vorgang-manager-base/pom.xml
+++ b/vorgang-manager-base/pom.xml
@@ -31,7 +31,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-parent</artifactId>
-		<version>4.9.0</version>
+		<version>4.10.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
diff --git a/vorgang-manager-command/pom.xml b/vorgang-manager-command/pom.xml
index 61411ebcf1dae307b00bbe5871923a6b38ff86a9..f2037dbf07f0bbacdda08fcddd42714c10adef3c 100644
--- a/vorgang-manager-command/pom.xml
+++ b/vorgang-manager-command/pom.xml
@@ -31,7 +31,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-dependencies</artifactId>
-		<version>4.9.0</version>
+		<version>4.10.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
diff --git a/vorgang-manager-interface/pom.xml b/vorgang-manager-interface/pom.xml
index db476064906818f6e8d82c1d157893626c4f011e..b813364e207529aecc5cfd8992477d72b2d01df8 100644
--- a/vorgang-manager-interface/pom.xml
+++ b/vorgang-manager-interface/pom.xml
@@ -32,7 +32,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-dependencies</artifactId>
-		<version>4.9.0</version>
+		<version>4.10.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
diff --git a/vorgang-manager-server/pom.xml b/vorgang-manager-server/pom.xml
index f1e76b4a8220ff0e8e3cdb0b2099881aa3391ddf..1c94eb13704ed5f51a359a1ef046fb1a5e02082f 100644
--- a/vorgang-manager-server/pom.xml
+++ b/vorgang-manager-server/pom.xml
@@ -32,7 +32,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-parent</artifactId>
-		<version>4.9.0</version>
+		<version>4.10.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
diff --git a/vorgang-manager-server/src/test/java/de/ozgcloud/nachrichten/antragraum/AntragraumITCase.java b/vorgang-manager-server/src/test/java/de/ozgcloud/nachrichten/antragraum/AntragraumITCase.java
index deeab0b4bb03d66fde39686fd94b065e25bd8e64..47a22f93c90b04edb3e6f8248b45a808a0c29c46 100644
--- a/vorgang-manager-server/src/test/java/de/ozgcloud/nachrichten/antragraum/AntragraumITCase.java
+++ b/vorgang-manager-server/src/test/java/de/ozgcloud/nachrichten/antragraum/AntragraumITCase.java
@@ -50,6 +50,7 @@ import org.springframework.test.annotation.DirtiesContext;
 
 import com.google.protobuf.ByteString;
 
+import de.ozgcloud.apilib.common.datatypes.GenericId;
 import de.ozgcloud.apilib.common.errorhandling.NotFoundException;
 import de.ozgcloud.common.test.DataITCase;
 import de.ozgcloud.common.test.TestUtils;
@@ -472,10 +473,7 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			grpcService.getAttachmentContent(request, responseObserver);
-
-			verify(responseObserver, never()).onNext(any());
-
+			assertThatThrownBy(() -> grpcService.getAttachmentContent(request, responseObserver)).hasRootCauseInstanceOf(SecurityException.class);
 		}
 
 		@Test
@@ -489,9 +487,8 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			grpcService.getAttachmentContent(request, responseObserver);
-
-			verify(responseObserver, never()).onNext(any());
+			assertThatThrownBy(() -> grpcService.getAttachmentContent(request, responseObserver)).hasRootCause(new NotFoundException(
+					GenericId.from(request.getNachrichtId()), "PostfachNachricht"));
 		}
 
 		@Test
@@ -506,9 +503,8 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			grpcService.getAttachmentContent(request, responseObserver);
-
-			verify(responseObserver, never()).onNext(any());
+			assertThatThrownBy(() -> grpcService.getAttachmentContent(request, responseObserver)).hasRootCause(new NotFoundException(
+					GenericId.from(request.getNachrichtId()), "PostfachNachricht"));
 		}
 
 		@Test
@@ -523,9 +519,8 @@ class AntragraumITCase {
 					.setFileId(fileId)
 					.build();
 
-			grpcService.getAttachmentContent(request, responseObserver);
-
-			verify(responseObserver, never()).onNext(any());
+			assertThatThrownBy(() -> grpcService.getAttachmentContent(request, responseObserver)).hasRootCause(new NotFoundException(
+					GenericId.from(request.getNachrichtId()), "PostfachNachricht"));
 		}
 	}
 
diff --git a/vorgang-manager-utils/pom.xml b/vorgang-manager-utils/pom.xml
index 73817f9ba521a7bb553f5db6c1cac7b5a7f6fafd..c0c6c524736171782f4b31d08679fad01a83b960 100644
--- a/vorgang-manager-utils/pom.xml
+++ b/vorgang-manager-utils/pom.xml
@@ -32,7 +32,7 @@
 	<parent>
 		<groupId>de.ozgcloud.common</groupId>
 		<artifactId>ozgcloud-common-dependencies</artifactId>
-		<version>4.9.0</version>
+		<version>4.10.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>