diff --git a/.ruby-gemset b/.ruby-gemset
new file mode 100644
index 00000000..19a686c8
--- /dev/null
+++ b/.ruby-gemset
@@ -0,0 +1 @@
+retrospring
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 00000000..bed811b0
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+ruby-2.3.3