diff --git a/.gitignore b/.gitignore
index b2648ac..185787e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,5 +12,7 @@
 # ---------------------------------------------------------------------------
 # Should only need to ignore cppad-yyyy0000.rel.gpl.tgz and cppad-yyyy0000.rel
 # for current year yyyy and current CppAD bug release rel.
-cppad-20170000.4.gpl.tgz
-cppad-20170000.4
+/cppad-20170000.4.gpl.tgz
+/cppad-20170000.4/
+/cppad-20180000.0.gpl.tgz
+/cppad-20180000/
diff --git a/sources b/sources
index ef66c0b..f153891 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cppad-20170000.4.gpl.tgz) = eb846d5b50530d701c86049f0abc1ced42fa2b618a6ad7b35bc107128cdc0df730c2d8a36a40b9577958af9c5be306c758d13f6d770973f1ff26ccf007d3e84f
+SHA512 (cppad-20180000.0.gpl.tgz) = 83e8617c0f0f1d1784a89049bfba2ab4f1aee7af79f23cc4384db858ff55ef7e26901b3985897fcc65c87d6243b892978d17036e0de84132c0bca2edbe3fc082