diff --git a/pom.xml b/pom.xml
index 2dafa2a..035768a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <jackson.version>2.15.1</jackson.version>
+        <jackson.version>2.12.6</jackson.version>
         <httpcomponents.httpclient.version>4.5.6</httpcomponents.httpclient.version>
         <httpcomponents.httpcore.version>4.4.10</httpcomponents.httpcore.version>
         <junit.version>5.4.2</junit.version>