diff --git a/build.gradle b/build.gradle
index 881e9bea7..91b68e235 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ plugins {
     id 'me.champeau.gradle.jmh' version '0.4.5'
     id 'nebula.optional-base' version '3.2.0'
     id 'com.github.hierynomus.license' version '0.15.0'
-    id 'com.github.spotbugs' version "4.3.0"
+    id 'com.github.spotbugs' version "4.5.0"
 }
 
 allprojects {
@@ -110,6 +110,8 @@ subprojects {
     }
 
     dependencies {
+        compile group: 'commons-codec', name: 'commons-codec', version: commonCodecVersion
+
         testCompile group: 'junit', name: 'junit', version: junitVersion
         testCompile group: 'org.mockito', name: 'mockito-core', version: mockitoVersion
         testCompile group: 'org.hamcrest', name: 'hamcrest-all', version: hamcrestVersion
diff --git a/gradle.properties b/gradle.properties
index bf269fc7f..c67b677d9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,13 +10,13 @@ org.gradle.daemon = true
 org.gradle.parallel = true
 
 # Application Packages
-gsonVersion = 2.6.1
-guavaVersion = 19.0
+gsonVersion = 2.8.6
+guavaVersion = 22.0
 hamcrestVersion = 1.3
-jacksonVersion = 2.9.8
-jsonVersion = 20160212
+jacksonVersion = 2.11.2
+jsonVersion = 20190722
 jsonSimpleVersion = 1.1.1
-logbackVersion = 1.1.5
+logbackVersion = 1.2.3
 slf4jVersion = 1.7.30
 
 # Style Packages
@@ -24,5 +24,6 @@ findbugsAnnotationVersion = 3.0.1
 findbugsJsrVersion = 3.0.2
 
 # Test Packages
-junitVersion = 4.12
+junitVersion = 4.13
 mockitoVersion = 1.10.19
+commonCodecVersion = 1.15
diff --git a/java-quickstart/build.gradle b/java-quickstart/build.gradle
index faa76f87d..30a3a8b2b 100644
--- a/java-quickstart/build.gradle
+++ b/java-quickstart/build.gradle
@@ -2,8 +2,8 @@ dependencies {
     compile project(':core-api')
     compile project(':core-httpclient-impl')
 
-    compile group: 'com.google.code.gson', name: 'gson', version: '2.8.5'
-    compile group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.2'
+    compile group: 'com.google.code.gson', name: 'gson', version: '2.8.6'
+    compile group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.12'
     compile group: 'org.slf4j', name: 'slf4j-log4j12', version: '1.7.30'
     testCompile group: 'junit', name: 'junit', version: '4.12'
 }