diff --git a/gradle.properties b/gradle.properties
index 14146a3d..1b4b2e06 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
-grpcVersion=1.49.0
-springBootVersion=2.7.3
+grpcVersion=1.50.0
+springBootVersion=2.7.4
 springCloudVersion=2021.0.3
 gradleErrorPronePluginVersion=2.0.2
 errorProneVersion=2.7.1
diff --git a/grpc-spring-boot-starter-gradle-plugin/build.gradle b/grpc-spring-boot-starter-gradle-plugin/build.gradle
index cfbf4f2e..1f73ad52 100644
--- a/grpc-spring-boot-starter-gradle-plugin/build.gradle
+++ b/grpc-spring-boot-starter-gradle-plugin/build.gradle
@@ -55,7 +55,7 @@ pluginBundle {
     tags = ['grpc', 'protobuf', 'spring-boot', 'grpc-spring-boot-starter']
 }
 dependencies {
-    runtime "com.google.protobuf:protobuf-gradle-plugin:0.8.18"
+    runtime "com.google.protobuf:protobuf-gradle-plugin:0.9.1"
 }
 
 
diff --git a/grpc-spring-boot-starter-gradle-plugin/src/main/java/org/lognet/springboot/grpc/gradle/GrpcSpringBootExtension.java b/grpc-spring-boot-starter-gradle-plugin/src/main/java/org/lognet/springboot/grpc/gradle/GrpcSpringBootExtension.java
index bfa65ebd..36b5b9cc 100644
--- a/grpc-spring-boot-starter-gradle-plugin/src/main/java/org/lognet/springboot/grpc/gradle/GrpcSpringBootExtension.java
+++ b/grpc-spring-boot-starter-gradle-plugin/src/main/java/org/lognet/springboot/grpc/gradle/GrpcSpringBootExtension.java
@@ -19,7 +19,7 @@ public GrpcSpringBootExtension(Project project) {
 
 
         protocVersion = this.project.getObjects().property(String.class);
-        protocVersion.set("3.19.2");
+        protocVersion.set("3.21.7");
 
 
     }
diff --git a/grpc-spring-boot-starter-gradle-plugin/src/main/resources/grpc-spring-boot.gradle b/grpc-spring-boot-starter-gradle-plugin/src/main/resources/grpc-spring-boot.gradle
index f4a367ac..761b622a 100644
--- a/grpc-spring-boot-starter-gradle-plugin/src/main/resources/grpc-spring-boot.gradle
+++ b/grpc-spring-boot-starter-gradle-plugin/src/main/resources/grpc-spring-boot.gradle
@@ -20,24 +20,6 @@ configurations.all {
 }
 
 
-sourceSets.configureEach{s->
-    java {
-        srcDir project.buildDir.toPath()
-                .resolve("protoGen")
-                .resolve(s.name)
-                .resolve("java")
-                .toFile()
-
-        srcDir project.buildDir.toPath()
-                .resolve("protoGen")
-                .resolve(s.name)
-                .resolve("grpc")
-                .toFile()
-    }
-}
-
-
-
 protobuf {
     protoc {
         if(DefaultNativePlatform.getCurrentOperatingSystem().isMacOsX()){