diff --git a/spring-boot-2-demo-app/build.gradle.kts b/spring-boot-2-demo-app/build.gradle.kts
index 0fb671a4..f8066dbd 100644
--- a/spring-boot-2-demo-app/build.gradle.kts
+++ b/spring-boot-2-demo-app/build.gradle.kts
@@ -10,7 +10,7 @@ dependencies {
     implementation(platform("org.springdoc:springdoc-openapi:1.7.0")) {
         because("version 1.8.0 brings incompatible logging library")
     }
-    implementation(platform("org.springframework.boot:spring-boot-dependencies:2.7.18"))
+    implementation(platform("org.springframework.boot:spring-boot-dependencies:3.4.0"))
     implementation(platform("org.springframework.cloud:spring-cloud-dependencies:2021.0.9"))
     implementation(platform("org.springframework.cloud:spring-cloud-sleuth-otel-dependencies:1.1.4"))
 
diff --git a/spring-boot-3-demo-app/build.gradle.kts b/spring-boot-3-demo-app/build.gradle.kts
index db3d2459..b8a13a96 100644
--- a/spring-boot-3-demo-app/build.gradle.kts
+++ b/spring-boot-3-demo-app/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
 dependencies {
     implementation(platform(project(":common-internal-bom")))
     implementation(platform("org.springdoc:springdoc-openapi:2.6.0"))
-    implementation(platform("org.springframework.boot:spring-boot-dependencies:3.3.4"))
+    implementation(platform("org.springframework.boot:spring-boot-dependencies:3.4.0"))
 
     implementation("org.springframework.boot:spring-boot-starter-web")
     implementation("org.springframework.boot:spring-boot-starter-actuator")