diff --git a/connector/connect/server/pom.xml b/connector/connect/server/pom.xml
index aeadbacb7c692..7195ebbb46254 100644
--- a/connector/connect/server/pom.xml
+++ b/connector/connect/server/pom.xml
@@ -200,6 +200,11 @@
       <artifactId>grpc-stub</artifactId>
       <version>${io.grpc.version}</version>
     </dependency>
+    <dependency>
+        <groupId>io.grpc</groupId>
+        <artifactId>grpc-protobuf-lite</artifactId>
+        <version>${io.grpc.version}</version>
+    </dependency>
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-codec-http2</artifactId>
diff --git a/pom.xml b/pom.xml
index 93722888374b6..82a6da5a6c9a8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -124,7 +124,7 @@
     <!-- make sure to update IsolatedClientLoader whenever this version is changed -->
     <hadoop.version>3.3.6</hadoop.version>
     <!-- SPARK-41247: When updating `protobuf.version`, also need to update `protoVersion` in `SparkBuild.scala` -->
-    <protobuf.version>3.25.1</protobuf.version>
+    <protobuf.version>3.25.8</protobuf.version>
     <protoc-jar-maven-plugin.version>3.11.4</protoc-jar-maven-plugin.version>
     <yarn.version>${hadoop.version}</yarn.version>
     <zookeeper.version>3.8.4</zookeeper.version>
@@ -290,7 +290,7 @@
     <!-- Version used in Connect -->
     <connect.guava.version>32.0.1-jre</connect.guava.version>
     <guava.failureaccess.version>1.0.1</guava.failureaccess.version>
-    <io.grpc.version>1.56.0</io.grpc.version>
+    <io.grpc.version>1.76.0</io.grpc.version>
     <mima.version>1.1.2</mima.version>
     <tomcat.annotations.api.version>6.0.53</tomcat.annotations.api.version>
 
diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala
index 3211f87eab4b6..3ac39307f0793 100644
--- a/project/SparkBuild.scala
+++ b/project/SparkBuild.scala
@@ -89,9 +89,9 @@ object BuildCommons {
 
   // Google Protobuf version used for generating the protobuf.
   // SPARK-41247: needs to be consistent with `protobuf.version` in `pom.xml`.
-  val protoVersion = "3.25.1"
+  val protoVersion = "3.25.8"
   // GRPC version used for Spark Connect.
-  val grpcVersion = "1.56.0"
+  val grpcVersion = "1.76.0"
 }
 
 object SparkBuild extends PomBuild {