diff --git a/.Rbuildignore b/.Rbuildignore
index 4d7e2e5..885b5c5 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -53,3 +53,4 @@
 ^methodshub
 ^CITATION\.cff$
 ^\.quarto$
+^runtime\.txt$
diff --git a/runtime.txt b/runtime.txt
new file mode 100644
index 0000000..e33efa4
--- /dev/null
+++ b/runtime.txt
@@ -0,0 +1 @@
+r-4.4.0-2024-04-24
\ No newline at end of file