diff --git a/scala/chatroom/gradle/libs.versions.toml b/scala/chatroom/gradle/libs.versions.toml
index 6e99abea7..bfa2c3182 100644
--- a/scala/chatroom/gradle/libs.versions.toml
+++ b/scala/chatroom/gradle/libs.versions.toml
@@ -12,7 +12,7 @@ scalatestplus-play = "7.0.1"
 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-junit5 = { group = "org.scalatestplus", name = "junit-5-10_2.13", version.ref = "scalatestplus" }
 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 0e5cf681c..1a0f2f938 100644
--- a/scala/rest-api/gradle/libs.versions.toml
+++ b/scala/rest-api/gradle/libs.versions.toml
@@ -7,7 +7,7 @@ scalatestplus = "3.2.19.1"
 scalatestplus-play = "7.0.1"
 
 [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" }
 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" }
 scalatest-junit5 = { group = "org.scalatestplus", name = "junit-5-10_2.13", version.ref = "scalatestplus" }