diff --git a/.npmignore b/.npmignore
index efab07fb..c4bc16c3 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,2 +1,4 @@
 test
 .travis.yml
+CODE_OF_CONDUCT.md
+CONTIBUTING.md
diff --git a/HISTORY.md b/HISTORY.md
index 78d0254e..4dd1e55f 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,8 @@
+unreleased
+==========
+
+- update: add a few documentation files to `npmignore`
+
 3.6.1 / 2017-05-21
 ==================