diff --git a/scala_zio_bench/build.sbt b/scala_zio_bench/build.sbt
index 7220a8a9..2c50b2e9 100644
--- a/scala_zio_bench/build.sbt
+++ b/scala_zio_bench/build.sbt
@@ -6,7 +6,7 @@ scalaVersion := "2.13.16"
 
 run / fork := true
 
-val grpcVersion = "1.64.0"
+val grpcVersion = "1.64.2"
 
 Compile / PB.targets := Seq(
     scalapb.gen(grpc = true) -> (Compile / sourceManaged).value,