jackson 2.7.4
diff --git a/pom.xml b/pom.xml
index 4ac373b..bd58dd6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -370,7 +370,7 @@
 <htmlparser.version>1.4</htmlparser.version>
 <icu4j.version>3.4.4</icu4j.version>
 <io.airlift.airline.version>0.7</io.airlift.airline.version>
-<jackson.version>2.6.6</jackson.version> <!-- See also jsonldjava -->
+<jackson.version>2.7.4</jackson.version> <!-- See also jsonldjava -->
 <jai.imageio.core.version>1.3.1</jai.imageio.core.version> <!-- http://github.com/jai-imageio/ -->
 <javahelp.version>2.0.02</javahelp.version>
 <javax.el.version>1.0.0</javax.el.version>