diff --git a/validator/build.gradle b/validator/build.gradle
index cd3d1fe36..9e6bc7d43 100644
--- a/validator/build.gradle
+++ b/validator/build.gradle
@@ -2,10 +2,10 @@ plugins {
     id 'java'
 
     id 'application'
-    id 'com.google.cloud.tools.jib' version "2.7.1"
+    id 'com.google.cloud.tools.jib' version "3.1.4"
 
     // lombok
-    id "io.freefair.lombok" version "5.1.0"
+    id "io.freefair.lombok" version "6.3.0"
 
     // check style
     id 'checkstyle'
@@ -31,24 +31,24 @@ repositories {
 }
 
 dependencies {
-    testImplementation group: 'junit', name: 'junit', version: '4.12'
-    testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.16.1'
+    testImplementation group: 'junit', name: 'junit', version: '4.13.2'
+    testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.22.0'
 
     // log
     implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.16.0'
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.16.0'
+    implementation group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.17.1'
 
     // mustache template
     implementation group: 'com.github.spullara.mustache.java', name: 'compiler', version: '0.8.9'
 
     // apache io utils
-    implementation group: 'commons-io', name: 'commons-io', version: '2.4'
+    implementation group: 'commons-io', name: 'commons-io', version: '2.11.0'
 
     // yaml reader
     implementation group: 'com.fasterxml.jackson.dataformat', name: 'jackson-dataformat-yaml', version: '2.11.1'
 
     // json flattener
-    implementation group: 'com.github.wnameless', name: 'json-flattener', version: '0.1.0'
+    implementation group: 'com.github.wnameless', name: 'json-flattener', version: '0.7.1'
     implementation group: 'com.github.fge', name: 'json-schema-validator', version: '2.0.0'
 
     // command cli