diff --git a/java/chatroom/gradle/libs.versions.toml b/java/chatroom/gradle/libs.versions.toml
index 42b849903..fbfef142a 100644
--- a/java/chatroom/gradle/libs.versions.toml
+++ b/java/chatroom/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ play = "3.1.0-M4"
 junit = "4.13.2"
 webjars-play = "3.1.0-M1"
 flot = "0.8.3-1"
-bootstrap = "3.4.1"
+bootstrap = "5.3.8"
 assertj = "3.27.7"
 awaitility = "4.3.0"