diff --git a/build.sbt b/build.sbt
index 5b641d7..804dbd6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -24,7 +24,7 @@ addCommandAlias("t", "test")
 addCommandAlias("tq", "testQuick")
 
 libraryDependencies ++= Seq(
-  "commons-io" % "commons-io" % "2.5",
+  "commons-io" % "commons-io" % "2.15.0",
   "org.bouncycastle" % "bcprov-jdk15on" % "1.63" % "provided",
   "org.bouncycastle" % "bcpkix-jdk15on" % "1.63" % "provided",
   "org.bouncycastle" % "bctls-jdk15on" % "1.63" % "provided",