diff --git a/scala/chatroom/gradle/libs.versions.toml b/scala/chatroom/gradle/libs.versions.toml
index 370d77e51..44de71100 100644
--- a/scala/chatroom/gradle/libs.versions.toml
+++ b/scala/chatroom/gradle/libs.versions.toml
@@ -11,7 +11,7 @@ scalatestplus-play = "7.0.0"
 jsoup = { group = "org.jsoup", name = "jsoup", version.ref = "jsoup" }
 flot = { group = "org.webjars", name = "flot", version.ref = "flot" }
 bootstrap = { group = "org.webjars", name = "bootstrap", version.ref = "bootstrap" }
-logstash-logback-encoder = { group = "net.logstash.logback", name = "logstash-logback-encoder", version = "7.3" }
+logstash-logback-encoder = { group = "net.logstash.logback", name = "logstash-logback-encoder", version = "7.4" }
 scalatest-junit-runner = { group = "co.helmethair", name = "scalatest-junit-runner", version = "0.1.12" }
 scalatestplus-play = { group = "org.scalatestplus.play", name = "scalatestplus-play_2.13", version.ref = "scalatestplus-play" }
 
diff --git a/scala/rest-api/gradle/libs.versions.toml b/scala/rest-api/gradle/libs.versions.toml
index 4bd437eba..132ec9121 100644
--- a/scala/rest-api/gradle/libs.versions.toml
+++ b/scala/rest-api/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ scala-uri = "4.0.3"
 scalatestplus-play = "7.0.0"
 
 [libraries]
-logstash-logback-encoder = { group = "net.logstash.logback", name = "logstash-logback-encoder", version = "7.3" }
+logstash-logback-encoder = { group = "net.logstash.logback", name = "logstash-logback-encoder", version = "7.4" }
 scalatest-junit-runner = { group = "co.helmethair", name = "scalatest-junit-runner", version = "0.1.12" }
 scala-guice = { group = "net.codingwell", name = "scala-guice_2.13", version.ref = "scala-guice" }
 scala-uri = { group = "io.lemonlabs", name = "scala-uri_2.13", version.ref = "scala-uri" }