diff --git a/config/pom.xml b/config/pom.xml
index 7241c6ba..4bb5af69 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.19</version>
+            <version>1.21</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>