Upgrade to 1.62 of bouncycastle
diff --git a/version.properties b/version.properties
index c3aedf8..5e8e721 100644
--- a/version.properties
+++ b/version.properties
@@ -31,7 +31,7 @@
 # running Ant, so we could not use that name here.
 apache-ant.version=1.9.14
 ant-contrib.version=1.0b3
-bouncycastle.version=1.59
+bouncycastle.version=1.62
 commons-vfs2.version=2.2
 hamcrest.version=1.3
 httpclient.version=4.5.5