diff --git a/scala/chatroom/gradle/libs.versions.toml b/scala/chatroom/gradle/libs.versions.toml
index 2375fb6bd..b499d207c 100644
--- a/scala/chatroom/gradle/libs.versions.toml
+++ b/scala/chatroom/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ play = "3.1.0-M4"
 webjars-play = "3.1.0-M1"
 jsoup = "1.21.2"
 flot = "0.8.3-1"
-bootstrap = "3.4.1"
+bootstrap = "5.3.8"
 scalatestplus = "3.2.19.1"
 scalatestplus-play = "8.0.0-M2"