diff --git a/grpc/flatbuffers-java-grpc/pom.xml b/grpc/flatbuffers-java-grpc/pom.xml
old mode 100755
new mode 100644
index 11aa0bd1b5f..25e115dff4a
--- a/grpc/flatbuffers-java-grpc/pom.xml
+++ b/grpc/flatbuffers-java-grpc/pom.xml
@@ -24,7 +24,7 @@
         </developer>
     </developers>
     <properties>
-        <gRPC.version>1.8.0</gRPC.version>
+        <gRPC.version>1.27.0</gRPC.version>
     </properties>
     <dependencies>
         <dependency>