diff --git a/build.sbt b/build.sbt
index 54e32a4..d0a9059 100644
--- a/build.sbt
+++ b/build.sbt
@@ -49,7 +49,7 @@ lazy val `iam-user-cleanup` = (project in file("."))
         "org.typelevel" %% "log4cats-slf4j" % log4catsVersion,
         "org.typelevel" %% "cats-effect" % "3.3.12",
         "com.amazonaws" % "aws-lambda-java-log4j2" % "1.5.1" % Runtime,
-        "org.apache.logging.log4j" % "log4j-slf4j-impl" % "2.17.2" % Runtime,
+        "org.apache.logging.log4j" % "log4j-slf4j-impl" % "2.21.1" % Runtime,
         "org.typelevel" %% "munit-cats-effect-3" % "1.0.7" % Test,
         "org.typelevel" %% "scalacheck-effect" % scalacheckEffectVersion % Test,
         "org.typelevel" %% "scalacheck-effect-munit" % scalacheckEffectVersion % Test,