diff --git a/build.sbt b/build.sbt
index a9b047d..e7b3021 100644
--- a/build.sbt
+++ b/build.sbt
@@ -44,6 +44,6 @@ credentials ++= (
 libraryDependencies ++= Seq(
   "junit"            % "junit"           % "4.12",
   "com.novocode"     % "junit-interface" % "0.11"   % Test,
-  "org.openjdk.jol"  % "jol-core"        % "0.5"
+  "org.openjdk.jol"  % "jol-core"        % "0.9"
 )