diff --git a/pmd/pmd_modified/pmd_modified/pmd-apex-jorje/pom.xml b/pmd/pmd_modified/pmd_modified/pmd-apex-jorje/pom.xml
index 0caba6de..ad41140d 100644
--- a/pmd/pmd_modified/pmd_modified/pmd-apex-jorje/pom.xml
+++ b/pmd/pmd_modified/pmd_modified/pmd-apex-jorje/pom.xml
@@ -121,7 +121,7 @@
     <dependency>
         <groupId>org.yaml</groupId>
         <artifactId>snakeyaml</artifactId>
-        <version>1.17</version>
+        <version>1.31</version>
     </dependency>
     <dependency>
         <groupId>aopalliance</groupId>