diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index f1d8fc84c7f3..9519ac5da83b 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1418,7 +1418,7 @@ bom {
 			]
 		}
 	}
-	library("RxJava3", "3.1.8") {
+	library("RxJava3", "3.1.9") {
 		group("io.reactivex.rxjava3") {
 			modules = [
 				"rxjava"