diff --git a/.Rbuildignore b/.Rbuildignore
index 32074b5..a85365b 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -24,3 +24,4 @@
 inst/reveal.js-[^/]+/package-lock.json
 inst/reveal.js-[^/]+/package.json
 inst/reveal.js-[^/]+/test
+^LICENSE\.md$