diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..abaf2cc
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,6 @@
+node_modules
+test/**/src
+test/**/out.nex
+test/**/test.nex
+test/**/tmp
+test/**/node_modules