diff --git a/build.sbt b/build.sbt
index 8516aebf..8a1c796e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -11,7 +11,7 @@ lazy val ScalaVersions = new {
 
 lazy val Versions = new {
   val gpb3Version = "3.23.2"
-  val grpcVersion = "1.55.1"
+  val grpcVersion = "1.56.0"
   val circeVersion = "0.14.5"
   val http4sVersion = "0.22.2"
   val akkaHttp = "10.2.9"