diff --git a/ruby/.ruby-version b/ruby/.ruby-version
new file mode 100644
index 0000000..8c50098
--- /dev/null
+++ b/ruby/.ruby-version
@@ -0,0 +1 @@
+3.1
diff --git a/ruby/.ruby-version b/ruby/.ruby-version
new file mode 100644
index 0000000..8c50098
--- /dev/null
+++ b/ruby/.ruby-version
@@ -0,0 +1 @@
+3.1