diff --git a/build.gradle b/build.gradle
index 5e662e9..0564f8b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@
 }
 
 plugins {
-  id "org.sonarqube" version "2.6.2"
+  id 'org.sonarqube' version '2.6.2'
   id 'net.saliman.cobertura' version '2.5.4'
 }
 
@@ -56,13 +56,13 @@
 }
 
 dependencies {
-  compile 'net.named-data:jndn:0.17'
+  compile 'net.named-data:jndn:0.22'
 
   testCompile 'junit:junit:4.12'
   testCompile 'net.named-data.jndn-extra:jndn-mock:1.1.1'
-  testRuntime 'org.slf4j:slf4j-api:1.7.25'
+  testRuntime 'org.slf4j:slf4j-api:1.7.26'
 
-  checkstyleConfig "com.puppycrawl.tools:checkstyle:8.11"
+  checkstyleConfig "com.puppycrawl.tools:checkstyle:8.22"
 }
 
 task javadocJar(type: Jar) {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index b249a5c..d2b2edb 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun Nov 12 15:16:12 EST 2017
+#Sun Feb 10 12:14:11 EST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip