diff --git a/build.gradle b/build.gradle
index 2e0a782..276fd74 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,12 +17,12 @@ buildscript {
 
 ext {
     
-    lib_antlr = "org.antlr:antlr4:4.7.1"
+    lib_antlr = "org.antlr:antlr4:4.7.2"
     
     lib_commons_collections4 = 'org.apache.commons:commons-collections4:4.2'
     lib_commons_lang3 = 'org.apache.commons:commons-lang3:3.8.1'
     lib_guava = 'com.google.guava:guava:27.0.1-jre'
-    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.9.7'
+    lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.9.8'
     
     lib_log4j2_api = 'org.apache.logging.log4j:log4j-api:2.11.1'
     lib_log4j2_core = 'org.apache.logging.log4j:log4j-core:2.11.1'
@@ -30,10 +30,10 @@ ext {
     
     lib_primitive_collections='org.lucares:primitiveCollections:0.1.20181120195412'
     
-    lib_spring_boot_log4j2='org.springframework.boot:spring-boot-starter-log4j2:2.1.1.RELEASE'
-    lib_spring_boot_mustache='org.springframework.boot:spring-boot-starter-mustache:2.1.1.RELEASE'
-    lib_spring_boot_test='org.springframework.boot:spring-boot-starter-test:2.1.1.RELEASE'
-    lib_spring_boot_web='org.springframework.boot:spring-boot-starter-web:2.1.1.RELEASE'
+    lib_spring_boot_log4j2='org.springframework.boot:spring-boot-starter-log4j2:2.1.2.RELEASE'
+    lib_spring_boot_mustache='org.springframework.boot:spring-boot-starter-mustache:2.1.2.RELEASE'
+    lib_spring_boot_test='org.springframework.boot:spring-boot-starter-test:2.1.2.RELEASE'
+    lib_spring_boot_web='org.springframework.boot:spring-boot-starter-web:2.1.2.RELEASE'
 }
 
 /*
@@ -84,5 +84,5 @@ allprojects {
 }
 
 wrapper {
-    gradleVersion = '5.0'
+    gradleVersion = '5.1.1'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 457aad0..87b738c 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 75b8c7c..558870d 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-5.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists