diff --git a/graphql-spring-boot-starter/build.gradle b/graphql-spring-boot-starter/build.gradle
index 353dcc01..ec6d0e77 100644
--- a/graphql-spring-boot-starter/build.gradle
+++ b/graphql-spring-boot-starter/build.gradle
@@ -1,7 +1,7 @@
 import org.springframework.boot.gradle.plugin.SpringBootPlugin
 
 plugins {
-	id 'org.springframework.boot' version '2.5.0' apply false
+	id 'org.springframework.boot' version '2.5.4' apply false
 	id 'java-library'
 }
 
@@ -24,7 +24,7 @@ dependencyManagement {
 
 dependencies {
 	api project(':spring-graphql')
-	api 'com.graphql-java:graphql-java:17.1'
+	api 'com.graphql-java:graphql-java:17.2'
 	api 'io.projectreactor:reactor-core'
 	api 'org.springframework:spring-context'
 	api 'org.springframework.boot:spring-boot-starter'
diff --git a/samples/webflux-security/build.gradle b/samples/webflux-security/build.gradle
index 01e8ed47..f220b6fd 100644
--- a/samples/webflux-security/build.gradle
+++ b/samples/webflux-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.5.0'
+	id 'org.springframework.boot' version '2.5.4'
 	id 'java'
 }
 group = 'com.example'
diff --git a/samples/webflux-websocket/build.gradle b/samples/webflux-websocket/build.gradle
index 2a2d7121..24628b3b 100644
--- a/samples/webflux-websocket/build.gradle
+++ b/samples/webflux-websocket/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.5.0'
+	id 'org.springframework.boot' version '2.5.4'
 	id 'java'
 }
 group = 'com.example'
diff --git a/samples/webmvc-http-security/build.gradle b/samples/webmvc-http-security/build.gradle
index 37c1c752..89817cd9 100644
--- a/samples/webmvc-http-security/build.gradle
+++ b/samples/webmvc-http-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.5.0'
+	id 'org.springframework.boot' version '2.5.4'
 	id 'java'
 }
 group = 'com.example'
diff --git a/samples/webmvc-http/build.gradle b/samples/webmvc-http/build.gradle
index 7509c4e0..7bda974f 100644
--- a/samples/webmvc-http/build.gradle
+++ b/samples/webmvc-http/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.5.0'
+	id 'org.springframework.boot' version '2.5.4'
 	id 'java'
 }
 group = 'com.example'