diff --git a/build.sbt b/build.sbt
index 2191c957..2ea1e635 100644
--- a/build.sbt
+++ b/build.sbt
@@ -57,7 +57,7 @@ lazy val root = project
       "com.squareup.okhttp3" % "okhttp" % okhttp,
       "com.squareup.okhttp3" % "logging-interceptor" % okhttp,
       "com.typesafe.scala-logging" %% "scala-logging" % "3.9.4",
-      "com.squareup.okio" % "okio" % "2.10.0",
+      "com.squareup.okio" % "okio" % "3.3.0",
       "commons-codec" % "commons-codec" % "1.15",
       "io.github.novacrypto" % "BIP39" % "2019.01.27",
       "net.i2p.crypto" % "eddsa" % "0.3.0",