diff --git a/pom.xml b/pom.xml
index b3cfbccb..f9b8df9d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <snakeyaml.version>1.15</snakeyaml.version>
+        <snakeyaml.version>1.31</snakeyaml.version>
     </properties>
 
     <build>
@@ -252,7 +252,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.module</groupId>
             <artifactId>jackson-module-jsonSchema</artifactId>
-            <version>2.4.4</version>
+            <version>2.9.10</version>
         </dependency>
         <dependency>
             <groupId>com.googlecode.juniversalchardet</groupId>