diff --git a/build.gradle b/build.gradle
index 5e7f5b5..8b2bb56 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,26 +13,26 @@ buildscript {
 
   dependencies {
   	// usage: gradlew dependencyUpdates -Drevision=release
-    classpath 'com.github.ben-manes:gradle-versions-plugin:0.22.0'
+    classpath 'com.github.ben-manes:gradle-versions-plugin:0.25.0'
   }
 }
 
 ext {
     
     version_log4j2= '2.12.1'
-    version_spring = '2.1.7.RELEASE'
+    version_spring = '2.1.8.RELEASE'
     
     lib_antlr = "org.antlr:antlr4:4.7.2"
     
     lib_commons_collections4 = 'org.apache.commons:commons-collections4:4.4'
     lib_commons_lang3 = 'org.apache.commons:commons-lang3:3.9'
-    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.9.9.1'
+    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.10.0'
     
     lib_log4j2_api = "org.apache.logging.log4j:log4j-api:${version_log4j2}"
     lib_log4j2_core = "org.apache.logging.log4j:log4j-core:${version_log4j2}"
     lib_log4j2_slf4j_impl = "org.apache.logging.log4j:log4j-slf4j-impl:${version_log4j2}"
     
-    lib_primitive_collections='org.lucares:primitiveCollections:0.1.20190907180014'
+    lib_primitive_collections='org.lucares:primitiveCollections:0.1.20190929110023'
     
     lib_spring_boot_log4j2="org.springframework.boot:spring-boot-starter-log4j2:${version_spring}"
     lib_spring_boot_mustache="org.springframework.boot:spring-boot-starter-mustache:${version_spring}"
@@ -120,5 +120,5 @@ allprojects {
 }
 
 wrapper {
-    gradleVersion = '5.6'
+    gradleVersion = '5.6.2'
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ef9a9e0..7c4388a 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists