diff --git a/docs/example/build.gradle b/docs/example/build.gradle
index a36d4b62..0d499484 100644
--- a/docs/example/build.gradle
+++ b/docs/example/build.gradle
@@ -28,7 +28,7 @@ dependencies {
     implementation "org.apache.kafka:kafka-clients:$KAFKA_VERSION"
 
     // for "Consuming Arbitrary Topic" section
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.13.4'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.18.8'
 
     //  for "Property Supplier" section
     implementation "com.linecorp.decaton:decaton-centraldogma:$DECATON_VERSION"
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4f1a5c83..bd3ba2a5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -15,8 +15,8 @@ mockito = "4.11.0"
 zipkinBrave = "5.18.1"
 zeroAllocationHashing = "0.16"
 picocli = "4.2.0"
-jacksonLegacy = "2.13.4"
-jacksonCurrent = "2.17.0"
+jacksonLegacy = "2.18.8"
+jacksonCurrent = "2.18.8"
 logbackClassic = "1.4.11"
 # We keep using 1.3.x for a while until we drop Java 8 support.
 logbackClassicLegacy = "1.3.14"