diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index 812c0cb0fcc7..383fbc6e3d43 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1276,7 +1276,7 @@ bom {
 			]
 		}
 	}
-	library("Netty tcNative", "2.0.40.Final") {
+	library("Netty tcNative", "2.0.43.Final") {
 		group("io.netty") {
 			modules = [
 				"netty-tcnative",