diff --git a/build.sbt b/build.sbt
index bb748a88..cae6a8db 100644
--- a/build.sbt
+++ b/build.sbt
@@ -66,7 +66,7 @@ val testSettings = commonSettings ++ Seq(
 
 val tagging = "com.softwaremill.common" %% "tagging" % "2.3.5"
 val scalatest = "org.scalatest" %% "scalatest" % "3.2.19"
-val javassist = "org.javassist" % "javassist" % "3.30.2-GA"
+val javassist = "org.javassist" % "javassist" % "3.31.0-GA"
 val akkaActor = "com.typesafe.akka" %% "akka-actor" % "2.6.21"
 val pekkoActor = "org.apache.pekko" %% "pekko-actor" % "1.5.0"
 val javaxInject = "javax.inject" % "javax.inject" % "1"