diff --git a/pagerank/weblinkgraph/pom.xml b/pagerank/weblinkgraph/pom.xml
index f665a7a..2e3bdbb 100644
--- a/pagerank/weblinkgraph/pom.xml
+++ b/pagerank/weblinkgraph/pom.xml
@@ -116,7 +116,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.8</version>
+            <version>2.12.7.1</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
         <dependency>