diff --git a/.gitignore b/.gitignore
index 6f12edf..af9acac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 /.bundle
 /.librarian
-/.ruby-version
 /.snapshot
 /.tmp
 /bin
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..bec3a35
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+system