diff --git a/build.gradle b/build.gradle
index 90ebe08..4e60951 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ def passkitSdkVersion = '1.1.160'
 // Be careful to match grpc versions with netty.
 // See https://github.com/grpc/grpc-java/blob/master/SECURITY.md#netty
 def grpcVersion = '1.83.1'
-def nettyTcNativeVersion = '2.0.70.Final'
+def nettyTcNativeVersion = '2.0.83.Final'
 
 test {
     useJUnit()