diff --git a/18-supervise-escalate/pom.xml b/18-supervise-escalate/pom.xml
old mode 100755
new mode 100644
index 3935da5..c2c8bc8
--- a/18-supervise-escalate/pom.xml
+++ b/18-supervise-escalate/pom.xml
@@ -5,7 +5,7 @@
     <version>1.0-SNAPSHOT</version>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.4.9</akka.version>
+        <akka.version>10.0.6</akka.version>
     </properties>
     <dependencies>
         <dependency>