diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 5eafa42..6b37e53
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.29</version>
+            <version>1.31</version>
         </dependency>
         <dependency>
             <groupId>commons-cli</groupId>