diff --git a/lambda/pom.xml b/lambda/pom.xml
old mode 100755
new mode 100644
index a3191b1..530ebe5
--- a/lambda/pom.xml
+++ b/lambda/pom.xml
@@ -35,7 +35,7 @@
     </build>
     <properties>
         <aws.sdk.version>1.11.695</aws.sdk.version>
-        <jackson.version>2.10.1</jackson.version>
+        <jackson.version>2.12.1</jackson.version>
     </properties>
     <dependencies>
         <dependency>