diff --git a/build.gradle b/build.gradle
index f29a0513..d06ac7ac 100644
--- a/build.gradle
+++ b/build.gradle
@@ -64,13 +64,13 @@ javadocJar.enabled = false
 ext {
     slf4jVersion = '1.7.7'
     servletApiVersion = '3.1.0'
-    zipkinVersion = '1.5.1'
+    zipkinVersion = '1.7.0'
 
     junitVersion = '4.11'
     mockitoVersion = '1.9.5'
     logbackVersion = '1.1.2'
     jacksonVersion = '2.4.2'
-    assertJVersion = '2.2.0'
+    assertJVersion = '2.5.0'
     junitDataproviderVersion = '1.10.1'
 
     // JACOCO PROPERTIES