diff --git a/.Rbuildignore b/.Rbuildignore
index 45f85ce..d427fc4 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,4 @@
+^CRAN-RELEASE$
 ^.*\.Rproj$
 ^\.Rproj\.user$
 README.md$
@@ -9,4 +10,4 @@ cran-comments.md$
 appveyor.yml$
 revdep
 dev/
-docs/
\ No newline at end of file
+docs/
diff --git a/CRAN-RELEASE b/CRAN-RELEASE
new file mode 100644
index 0000000..0e2b252
--- /dev/null
+++ b/CRAN-RELEASE
@@ -0,0 +1,2 @@
+This package was submitted to CRAN on 2019-01-11.
+Once it is accepted, delete this file and tag the release (commit 504519a7a3).