diff --git a/.Rbuildignore b/.Rbuildignore
index 3f268ef..c7b8f85 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -7,3 +7,4 @@
 ^\.travis\.yml$
 ^biometrics\.csl$
 ^codecov\.yml$
+^CRAN-RELEASE$
diff --git a/CRAN-RELEASE b/CRAN-RELEASE
new file mode 100644
index 0000000..ef929e6
--- /dev/null
+++ b/CRAN-RELEASE
@@ -0,0 +1,2 @@
+This package was submitted to CRAN on 2019-07-25.
+Once it is accepted, delete this file and tag the release (commit 1c26593277).