diff --git a/.gitignore b/.gitignore
index 761d3d84..73142c35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,5 +13,3 @@ results
 build
 node_modules
 tests/fixtures/output.*
-
-npm-debug.log
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 00000000..499622ef
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,18 @@
+lib-cov
+*.seed
+*.log
+*.csv
+*.dat
+*.out
+*.pid
+*.gz
+
+pids
+logs
+results
+build
+node_modules
+
+.gitignore
+tests
+.travis.yml
\ No newline at end of file