diff --git a/calvalus-production/pom.xml b/calvalus-production/pom.xml
index 068fb5e6e..0b9353e1b 100644
--- a/calvalus-production/pom.xml
+++ b/calvalus-production/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.16</version>
+            <version>1.31</version>
           </dependency>
 
         <!-- Used for staging, for parameterblockconverter -->