diff --git a/pom.xml b/pom.xml
index b55e9557..25e0c6e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
 		<maven.compiler.target>${java.version}</maven.compiler.target>
 		<main.basedir>${basedir}</main.basedir>
 		<docs.main>${project.artifactId}</docs.main>
-		<spring-boot.version>1.5.20.RELEASE</spring-boot.version>
+		<spring-boot.version>1.5.21.RELEASE</spring-boot.version>
 		<spring-cloud-build.version>1.3.13.BUILD-SNAPSHOT</spring-cloud-build.version>
 		<docs.resources.dir>${project.build.directory}/build-docs</docs.resources.dir>
 
diff --git a/spring-cloud-build-dependencies/pom.xml b/spring-cloud-build-dependencies/pom.xml
index d0bc712f..35d0b39c 100644
--- a/spring-cloud-build-dependencies/pom.xml
+++ b/spring-cloud-build-dependencies/pom.xml
@@ -12,12 +12,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-dependencies</artifactId>
-		<version>1.5.20.RELEASE</version>
+		<version>1.5.21.RELEASE</version>
 	</parent>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<lombok.version>1.16.14</lombok.version>
-		<spring-boot.version>1.5.20.RELEASE</spring-boot.version>
+		<spring-boot.version>1.5.21.RELEASE</spring-boot.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>