KNOX-2110 - Upgrade xmlsec to 2.1.4

Signed-off-by: Kevin Risden <krisden@apache.org>
diff --git a/pom.xml b/pom.xml
index 0ef11ea..abf2218 100644
--- a/pom.xml
+++ b/pom.xml
@@ -246,7 +246,7 @@
         <txw2.version>2.4.0-b180830.0438</txw2.version>
         <velocity.version>1.7</velocity.version>
         <woodstox-core.version>6.0.2</woodstox-core.version>
-        <xmlsec.version>2.0.10</xmlsec.version>
+        <xmlsec.version>2.1.4</xmlsec.version>
         <xmltool.version>3.3</xmltool.version>
         <xml-matchers.version>0.10</xml-matchers.version>
         <zookeeper.version>3.5.6</zookeeper.version>