diff --git a/aws_lambda/isUsernameInDatabase/pom.xml b/aws_lambda/isUsernameInDatabase/pom.xml
index ba8bb88..86e54c4 100644
--- a/aws_lambda/isUsernameInDatabase/pom.xml
+++ b/aws_lambda/isUsernameInDatabase/pom.xml
@@ -70,7 +70,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.10.2</version>
+      <version>2.12.7.1</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>