diff --git a/build.gradle b/build.gradle
index 6dcbcc7cb..82e043af6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ allprojects {
 ext {
     // Platforms
     grpcVersion = '1.76.0' // [1.38.0,) Needed for io.grpc.protobuf.services.HealthStatusManager
-    jacksonVersion = '2.15.4' // [2.9.0,)
+    jacksonVersion = '2.21.3' // [2.9.0,)
     jackson3Version = '3.0.4'
     nexusVersion = '0.5.0-alpha'
     // we don't upgrade to 1.10.x because it requires kotlin 1.6. Users may use 1.10.x in their environments though.