diff --git a/build.gradle b/build.gradle
index 48db0b6eaf..1caf595e98 100644
--- a/build.gradle
+++ b/build.gradle
@@ -697,7 +697,7 @@ subprojects {
         sign publishing.publications.mavenJava
     }
 
-    def grpcVersion = '1.65.1'
+    def grpcVersion = '1.66.0'
     def log4jVersion = '2.23.1'
     def jacksonVersion = '2.17.2'
     def dropwizardMetricsVersion = '4.2.26'
diff --git a/eventmesh-common/build.gradle b/eventmesh-common/build.gradle
index c95e9f6c29..1cbef7ec24 100644
--- a/eventmesh-common/build.gradle
+++ b/eventmesh-common/build.gradle
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-def grpcVersion = '1.65.1'
+def grpcVersion = '1.66.0'
 
 dependencies {
     api "com.google.guava:guava"
diff --git a/eventmesh-examples/build.gradle b/eventmesh-examples/build.gradle
index 509a03f59d..2cd5d66386 100644
--- a/eventmesh-examples/build.gradle
+++ b/eventmesh-examples/build.gradle
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-def grpcVersion = '1.65.1'
+def grpcVersion = '1.66.0'
 
 dependencies {
     implementation project(":eventmesh-sdks:eventmesh-sdk-java")
diff --git a/eventmesh-meta/eventmesh-meta-raft/build.gradle b/eventmesh-meta/eventmesh-meta-raft/build.gradle
index 5b2324ce57..9718b24df5 100644
--- a/eventmesh-meta/eventmesh-meta-raft/build.gradle
+++ b/eventmesh-meta/eventmesh-meta-raft/build.gradle
@@ -19,7 +19,7 @@ plugins {
     id 'com.google.protobuf' version '0.9.4'
 }
 
-def grpcVersion = '1.65.1'
+def grpcVersion = '1.66.0'
 def protobufVersion = '3.25.4'
 def protocVersion = protobufVersion
 
diff --git a/eventmesh-protocol-plugin/eventmesh-protocol-cloudevents/build.gradle b/eventmesh-protocol-plugin/eventmesh-protocol-cloudevents/build.gradle
index c3904f4822..2f6c05528a 100644
--- a/eventmesh-protocol-plugin/eventmesh-protocol-cloudevents/build.gradle
+++ b/eventmesh-protocol-plugin/eventmesh-protocol-cloudevents/build.gradle
@@ -20,7 +20,7 @@ dependencies {
     implementation "io.cloudevents:cloudevents-core"
     implementation "com.google.guava:guava"
     implementation "io.cloudevents:cloudevents-json-jackson"
-    implementation ("io.grpc:grpc-protobuf:1.65.1") {
+    implementation ("io.grpc:grpc-protobuf:1.66.0") {
         exclude group: "com.google.protobuf", module: "protobuf-java"
     }
     implementation("com.google.protobuf:protobuf-java:3.25.4")
diff --git a/eventmesh-protocol-plugin/eventmesh-protocol-grpc/build.gradle b/eventmesh-protocol-plugin/eventmesh-protocol-grpc/build.gradle
index 0149929479..844a4b4541 100644
--- a/eventmesh-protocol-plugin/eventmesh-protocol-grpc/build.gradle
+++ b/eventmesh-protocol-plugin/eventmesh-protocol-grpc/build.gradle
@@ -24,7 +24,7 @@ repositories {
     mavenCentral()
 }
 
-def grpcVersion = '1.65.1'
+def grpcVersion = '1.66.0'
 def protobufVersion = '3.25.4'
 def protocVersion = protobufVersion
 
diff --git a/eventmesh-protocol-plugin/eventmesh-protocol-http/build.gradle b/eventmesh-protocol-plugin/eventmesh-protocol-http/build.gradle
index 67a9ef6183..8ca23d60a5 100644
--- a/eventmesh-protocol-plugin/eventmesh-protocol-http/build.gradle
+++ b/eventmesh-protocol-plugin/eventmesh-protocol-http/build.gradle
@@ -20,7 +20,7 @@ dependencies {
     implementation "io.cloudevents:cloudevents-core"
     implementation "com.google.guava:guava"
     implementation "io.cloudevents:cloudevents-json-jackson"
-    implementation ("io.grpc:grpc-protobuf:1.65.1") {
+    implementation ("io.grpc:grpc-protobuf:1.66.0") {
         exclude group: "com.google.protobuf", module: "protobuf-java"
     }
     implementation("com.google.protobuf:protobuf-java:3.25.4")
diff --git a/eventmesh-protocol-plugin/eventmesh-protocol-meshmessage/build.gradle b/eventmesh-protocol-plugin/eventmesh-protocol-meshmessage/build.gradle
index d67f5fd9e3..36ce1ed4d2 100644
--- a/eventmesh-protocol-plugin/eventmesh-protocol-meshmessage/build.gradle
+++ b/eventmesh-protocol-plugin/eventmesh-protocol-meshmessage/build.gradle
@@ -18,7 +18,7 @@
 dependencies {
     implementation project(":eventmesh-protocol-plugin:eventmesh-protocol-api")
     implementation "io.cloudevents:cloudevents-core"
-    implementation ("io.grpc:grpc-protobuf:1.65.1") {
+    implementation ("io.grpc:grpc-protobuf:1.66.0") {
         exclude group: "com.google.protobuf", module: "protobuf-java"
     }
     implementation("com.google.protobuf:protobuf-java:3.25.4")
diff --git a/eventmesh-sdks/eventmesh-sdk-java/build.gradle b/eventmesh-sdks/eventmesh-sdk-java/build.gradle
index d2f8c122c2..1a83d9e4bc 100644
--- a/eventmesh-sdks/eventmesh-sdk-java/build.gradle
+++ b/eventmesh-sdks/eventmesh-sdk-java/build.gradle
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-def grpcVersion = '1.65.1'
+def grpcVersion = '1.66.0'
 
 dependencies {
     api(project(":eventmesh-common")) {