diff --git a/config/dependency_decisions.yml b/config/dependency_decisions.yml
index 59c7050a14d..ca5b941aebf 100644
--- a/config/dependency_decisions.yml
+++ b/config/dependency_decisions.yml
@@ -398,3 +398,9 @@
     :why: https://github.com/remy/undefsafe/blob/master/LICENSE
     :versions: []
     :when: 2017-04-10 06:30:00.002555000 Z
+- - :approve
+  - thunky
+  - :who: Mike Greiling
+    :why: https://github.com/mafintosh/thunky/blob/master/README.md#license
+    :versions: []
+    :when: 2017-08-07 05:56:09.907045000 Z