diff --git a/LICENSE b/LICENSE
index 8e11102d..550231fa 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,7 @@
-Copyright (c) 2015 Plaid Technologies, Inc.
+The MIT License (MIT)
+
+Copyright (c) 2016 Sanctuary
+Copyright (c) 2016 Plaid Technologies, Inc.
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
diff --git a/Makefile b/Makefile
index b3c077ee..021c968c 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,13 @@ XYZ = node_modules/.bin/xyz --repo git@github.com:sanctuary-js/sanctuary.git --s
 
 
 .PHONY: all
-all: README.md
+all: LICENSE README.md
+
+.PHONY: LICENSE
+LICENSE:
+	cp -- '$@' '$@.orig'
+	sed 's/Copyright (c) .* Sanctuary/Copyright (c) $(shell git log --date=format:%Y --pretty=format:%ad | sort -r | head -n 1) Sanctuary/' '$@.orig' >'$@'
+	rm -- '$@.orig'
 
 README.md: index.js
 	$(TRANSCRIBE) \
diff --git a/scripts/prepublish b/scripts/prepublish
index e08cbb4c..567df7d6 100755
--- a/scripts/prepublish
+++ b/scripts/prepublish
@@ -3,4 +3,4 @@ set -e
 
 rm -f README.md
 make
-git add README.md
+git add LICENSE README.md