diff --git a/pom.xml b/pom.xml
index c40e4f9a..57d61bed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,9 +15,9 @@
   <properties>
     <junit.version>4.12</junit.version>
     <hamcrest.version>1.3</hamcrest.version>
-    <jackson.version>2.7.0</jackson.version>
-    <gson.version>2.8.2</gson.version>
-    <antlr.version>4.5.1</antlr.version>
+    <jackson.version>2.9.9</jackson.version>
+    <gson.version>2.8.5</gson.version>
+    <antlr.version>4.7.2</antlr.version>
   </properties>
 
   <licenses>