diff --git a/build.gradle b/build.gradle
index aa3fdb0..a642b61 100644
--- a/build.gradle
+++ b/build.gradle
@@ -70,7 +70,7 @@ allprojects {
       mavenBom SpringBootPlugin.BOM_COORDINATES
       mavenBom "org.springframework.cloud:spring-cloud-dependencies:${spring_cloud_version}"
       mavenBom "com.google.protobuf:protobuf-bom:${protobuf_version}"
-      mavenBom "io.grpc:grpc-bom:1.21.1"
+      mavenBom "io.grpc:grpc-bom:1.42.1"
       mavenBom "org.spockframework:spock-bom:2.0-M4-groovy-2.5"
       mavenBom "org.testcontainers:testcontainers-bom:1.15.0"
     }