diff --git a/gradle.properties b/gradle.properties
index 71d3f331..cba81abe 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,7 +13,7 @@ org.gradle.parallel = true
 gsonVersion = 2.10.1
 guavaVersion = 22.0
 hamcrestVersion = 1.3
-jacksonVersion = 2.15.2
+jacksonVersion = 2.13.5
 jsonVersion = 20190722
 jsonSimpleVersion = 1.1.1
 logbackVersion = 1.2.3