diff --git a/Software design/SD - 9. Actor Aggregator/pom.xml b/Software design/SD - 9. Actor Aggregator/pom.xml
index 756dea7..7a450c3 100644
--- a/Software design/SD - 9. Actor Aggregator/pom.xml	
+++ b/Software design/SD - 9. Actor Aggregator/pom.xml	
@@ -107,7 +107,7 @@
     <dependency>
       <groupId>org.yaml</groupId>
       <artifactId>snakeyaml</artifactId>
-      <version>1.23</version>
+      <version>1.26</version>
     </dependency>
     <dependency>
       <groupId>com.mashape.unirest</groupId>