diff --git a/pom.xml b/pom.xml
index 89ffdef..e656343 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,7 +75,7 @@
 		<maven.compiler.target>17</maven.compiler.target>
 
 		<!-- internal dependencies -->
-		<spring-boot.version>3.4.1</spring-boot.version>
+		<spring-boot.version>3.4.2</spring-boot.version>
 		<jackson.version>2.17.2</jackson.version>
 		<junit.version>5.10.5</junit.version>
 		<assertj.version>3.26.3</assertj.version>
diff --git a/samples/grpc-oauth2/build.gradle b/samples/grpc-oauth2/build.gradle
index ae43684..e12c67f 100644
--- a/samples/grpc-oauth2/build.gradle
+++ b/samples/grpc-oauth2/build.gradle
@@ -1,6 +1,6 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.4.1'
+	id 'org.springframework.boot' version '3.4.2'
 	id 'io.spring.dependency-management' version '1.1.6'
 	id 'org.graalvm.buildtools.native' version '0.10.3'
 	id 'com.google.protobuf' version '0.9.4'
diff --git a/samples/grpc-oauth2/pom.xml b/samples/grpc-oauth2/pom.xml
index 0d4e952..2c5271c 100644
--- a/samples/grpc-oauth2/pom.xml
+++ b/samples/grpc-oauth2/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.springframework.grpc</groupId>
diff --git a/samples/grpc-reactive/build.gradle b/samples/grpc-reactive/build.gradle
index 6ac163d..5dfc1b0 100644
--- a/samples/grpc-reactive/build.gradle
+++ b/samples/grpc-reactive/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.4.1'
+    id 'org.springframework.boot' version '3.4.2'
     id 'io.spring.dependency-management' version '1.1.6'
     id 'org.graalvm.buildtools.native' version '0.10.3'
     id 'com.google.protobuf' version '0.9.4'
diff --git a/samples/grpc-reactive/pom.xml b/samples/grpc-reactive/pom.xml
index 1cbf323..74c7ad6 100644
--- a/samples/grpc-reactive/pom.xml
+++ b/samples/grpc-reactive/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.springframework.grpc</groupId>
diff --git a/samples/grpc-secure/build.gradle b/samples/grpc-secure/build.gradle
index ae43684..e12c67f 100644
--- a/samples/grpc-secure/build.gradle
+++ b/samples/grpc-secure/build.gradle
@@ -1,6 +1,6 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.4.1'
+	id 'org.springframework.boot' version '3.4.2'
 	id 'io.spring.dependency-management' version '1.1.6'
 	id 'org.graalvm.buildtools.native' version '0.10.3'
 	id 'com.google.protobuf' version '0.9.4'
diff --git a/samples/grpc-secure/pom.xml b/samples/grpc-secure/pom.xml
index 226cd34..11b0cd8 100644
--- a/samples/grpc-secure/pom.xml
+++ b/samples/grpc-secure/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.springframework.grpc</groupId>
diff --git a/samples/grpc-server-netty-shaded/build.gradle b/samples/grpc-server-netty-shaded/build.gradle
index 14d8200..1c3cbf7 100644
--- a/samples/grpc-server-netty-shaded/build.gradle
+++ b/samples/grpc-server-netty-shaded/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.4.1'
+    id 'org.springframework.boot' version '3.4.2'
     id 'io.spring.dependency-management' version '1.1.6'
     id 'org.graalvm.buildtools.native' version '0.10.3'
     id 'com.google.protobuf' version '0.9.4'
diff --git a/samples/grpc-server-netty-shaded/pom.xml b/samples/grpc-server-netty-shaded/pom.xml
index 0c80ff0..b18d8f8 100644
--- a/samples/grpc-server-netty-shaded/pom.xml
+++ b/samples/grpc-server-netty-shaded/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
diff --git a/samples/grpc-server/build.gradle b/samples/grpc-server/build.gradle
index 385541e..9899a01 100644
--- a/samples/grpc-server/build.gradle
+++ b/samples/grpc-server/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.4.1'
+    id 'org.springframework.boot' version '3.4.2'
     id 'io.spring.dependency-management' version '1.1.6'
     id 'org.graalvm.buildtools.native' version '0.10.3'
     id 'com.google.protobuf' version '0.9.4'
diff --git a/samples/grpc-server/pom.xml b/samples/grpc-server/pom.xml
index 4b635c2..5bc2f51 100644
--- a/samples/grpc-server/pom.xml
+++ b/samples/grpc-server/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.springframework.grpc</groupId>
diff --git a/samples/grpc-tomcat-secure/pom.xml b/samples/grpc-tomcat-secure/pom.xml
index 18a7dfb..97b7056 100644
--- a/samples/grpc-tomcat-secure/pom.xml
+++ b/samples/grpc-tomcat-secure/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.springframework.grpc</groupId>
diff --git a/samples/grpc-tomcat/pom.xml b/samples/grpc-tomcat/pom.xml
index 201548a..1255c84 100644
--- a/samples/grpc-tomcat/pom.xml
+++ b/samples/grpc-tomcat/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.springframework.grpc</groupId>
diff --git a/samples/grpc-webflux/build.gradle b/samples/grpc-webflux/build.gradle
index b3e04c4..bb83a91 100644
--- a/samples/grpc-webflux/build.gradle
+++ b/samples/grpc-webflux/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.4.1'
+    id 'org.springframework.boot' version '3.4.2'
     id 'io.spring.dependency-management' version '1.1.6'
     id 'org.graalvm.buildtools.native' version '0.10.3'
     id 'com.google.protobuf' version '0.9.4'
diff --git a/samples/grpc-webflux/pom.xml b/samples/grpc-webflux/pom.xml
index b4e0773..7f669a4 100644
--- a/samples/grpc-webflux/pom.xml
+++ b/samples/grpc-webflux/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.1</version>
+		<version>3.4.2</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.springframework.grpc</groupId>
diff --git a/spring-grpc-dependencies/pom.xml b/spring-grpc-dependencies/pom.xml
index 63be0c8..174d262 100644
--- a/spring-grpc-dependencies/pom.xml
+++ b/spring-grpc-dependencies/pom.xml
@@ -49,11 +49,11 @@
 	</licenses>
 
 	<properties>
-		<spring-framework.version>6.2.1</spring-framework.version>
+		<spring-framework.version>6.2.2</spring-framework.version>
 		<spring-security.version>6.4.2</spring-security.version>
-		<netty.version>4.1.115.Final</netty.version>
-		<grpc.version>1.69.0</grpc.version>
-		<protobuf-java.version>3.25.5</protobuf-java.version>
+		<netty.version>4.1.117.Final</netty.version>
+		<grpc.version>1.70.0</grpc.version>
+		<protobuf-java.version>3.25.6</protobuf-java.version>
 		<google-common-protos.version>2.46.0</google-common-protos.version>
 		<micrometer.version>1.13.6</micrometer.version>
 	</properties>