diff --git a/.Rbuildignore b/.Rbuildignore
index dad526e..62ca248 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -10,3 +10,5 @@
 ^_pkgdown\.yaml$
 ^CITATION\.cff$
 ^cran-comments\.md$
+^codemeta\.json$
+^CRAN-SUBMISSION$
diff --git a/.gitignore b/.gitignore
index cae62f8..f431894 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 # User-specific files ----
 README.html
 inst/doc
+CRAN-SUBMISSION