diff --git a/olca-proto-io/pom.xml b/olca-proto-io/pom.xml
index d63d4afd9..cc839a4d8 100644
--- a/olca-proto-io/pom.xml
+++ b/olca-proto-io/pom.xml
@@ -13,7 +13,7 @@
 
   <properties>
     <protobuf.version>3.21.7</protobuf.version>
-    <grpc.version>1.53.0</grpc.version>
+    <grpc.version>1.75.0</grpc.version>
     <olca.proto.version>2.0.1</olca.proto.version>
   </properties>