diff --git a/profiles/package.mask b/profiles/package.mask
index b6b73746dda1b..6fd698cf7600f 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -30,6 +30,12 @@
 
 #--- END OF EXAMPLES ---
 
+# James Le Cuirot <chewi@gentoo.org> (07 Feb 2016)
+# Masked until 2.0 final arrives, which hopefully won't depend on
+# commons-dbcp:0 as that requires Java 6. Note that the 2.0 in the
+# tree should have actually been 2.0_beta1. There are no revdeps.
+dev-java/jcs
+
 # Wolfram Schlich <wschlich@gentoo.org> (06 Feb 2016)
 # Mask live ebuild
 =net-im/mcabber-9999