diff --git a/build.gradle b/build.gradle
index 24e3be32f..1f7b331fa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,18 +42,16 @@ repositories {
 dependencies {
     compile(group: "com.github.java-json-tools", name: "json-schema-core", version: "1.2.8");
     compile(group: "javax.mail", name: "mailapi", version: "1.4.3");
-    compile(group: "joda-time", name: "joda-time", version: "2.3");
-    compile(group: "com.googlecode.libphonenumber", name: "libphonenumber",
-        version: "6.2");
-    compile(group: "com.google.code.findbugs", name: "jsr305",
-        version: "3.0.0");
-    compile(group: "net.sf.jopt-simple", name: "jopt-simple", version: "4.6");
-    testCompile(group: "org.testng", name: "testng", version: "6.8.7") {
+    compile(group: "joda-time", name: "joda-time", version: "2.9.7");
+    compile(group: "com.googlecode.libphonenumber", name: "libphonenumber", version: "8.0.0");
+    compile(group: "com.google.code.findbugs", name: "jsr305", version: "3.0.1");
+    compile(group: "net.sf.jopt-simple", name: "jopt-simple", version: "5.0.3");
+    testCompile(group: "org.testng", name: "testng", version: "6.10") {
         exclude(group: "junit", module: "junit");
         exclude(group: "org.beanshell", module: "bsh");
         exclude(group: "org.yaml", module: "snakeyaml");
     };
-    testCompile(group: "org.mockito", name: "mockito-core", version: "1.9.5");
+    testCompile(group: "org.mockito", name: "mockito-core", version: "2.4.2");
     testCompile(group: "org.easytesting", name: "fest-assert", version: "1.4");
 }