diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index 574b65db425..68a15e232a7 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1181,7 +1181,7 @@ bom {
 			]
 		}
 	}
-	library("Netty", "4.1.65.Final") {
+	library("Netty", "4.1.66.Final") {
 		group("io.netty") {
 			imports = [
 				"netty-bom"