diff --git a/vorgang-manager-server/pom.xml b/vorgang-manager-server/pom.xml
index 7ab016718e586f5e415376590eaf3265b6486a7a..86e02957a076551cc1ceb714c5287adb164fb635 100644
--- a/vorgang-manager-server/pom.xml
+++ b/vorgang-manager-server/pom.xml
@@ -406,6 +406,7 @@
 						<env>
 							<BPE_DELIM_JAVA_TOOL_OPTIONS xml:space="preserve"> </BPE_DELIM_JAVA_TOOL_OPTIONS>
 							<BPE_APPEND_JAVA_TOOL_OPTIONS>-Dfile.encoding=UTF-8</BPE_APPEND_JAVA_TOOL_OPTIONS>
+							<BPE_APPEND_JAVA_TOOL_OPTIONS>-Dio.grpc.netty.shaded.io.netty.threadLocalDirectBufferSize=16384</BPE_APPEND_JAVA_TOOL_OPTIONS>
 							<BPE_APPEND_LC_ALL>en_US.UTF-8</BPE_APPEND_LC_ALL>
 						</env>
 					</image>