diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index 3bcc7eb9a466..f01e97d790e2 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1698,7 +1698,7 @@ bom {
 			]
 		}
 	}
-	library("Tomcat", "9.0.41") {
+	library("Tomcat", "9.0.43") {
 		group("org.apache.tomcat") {
 			modules = [
 				"tomcat-annotations-api",