diff --git a/.Rbuildignore b/.Rbuildignore
index f5253e2..b3e9ac2 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -6,3 +6,4 @@
 ^pkgdown$
 ^cran-comments\.md$
 ^build-vignettes\.md$
+^CRAN-SUBMISSION$
diff --git a/CRAN-SUBMISSION b/CRAN-SUBMISSION
new file mode 100644
index 0000000..75bbd94
--- /dev/null
+++ b/CRAN-SUBMISSION
@@ -0,0 +1,3 @@
+Version: 0.1
+Date: 2026-05-11 12:16:10 UTC
+SHA: 6c1e75f6e2bab1733bfb345cbd8feb6e942b0516