diff --git a/gradle.properties b/gradle.properties
index d3416ca15f..a352b89a2c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ org.gradle.caching=true
 org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx2g -Dfile.encoding=UTF-8
 
-kotlinVersion=1.6.20
+kotlinVersion=1.6.21
 tomcatVersion=10.0.18
 
 kotlin.stdlib.default.dependency=false
diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index 579019537e..e0be8b1ed8 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -254,7 +254,7 @@ bom {
 			]
 		}
 	}
-	library("Flyway", "8.5.8") {
+	library("Flyway", "8.5.9") {
 		group("org.flywaydb") {
 			modules = [
 				"flyway-core",
@@ -594,7 +594,7 @@ bom {
 			]
 		}
 	}
-	library("Janino", "3.1.6") {
+	library("Janino", "3.1.7") {
 		group("org.codehaus.janino") {
 			modules = [
 				"commons-compiler",
@@ -934,7 +934,7 @@ bom {
 			]
 		}
 	}
-	library("Maven Javadoc Plugin", "3.3.2") {
+	library("Maven Javadoc Plugin", "3.4.0") {
 		group("org.apache.maven.plugins") {
 			plugins = [
 				"maven-javadoc-plugin"