diff --git a/apps/mobile/.ruby-gemset b/apps/mobile/.ruby-gemset
new file mode 100644
index 000000000..0f902aeeb
--- /dev/null
+++ b/apps/mobile/.ruby-gemset
@@ -0,0 +1 @@
+rabbymobile
diff --git a/apps/mobile/.ruby-version b/apps/mobile/.ruby-version
new file mode 100644
index 000000000..2eb2fe97a
--- /dev/null
+++ b/apps/mobile/.ruby-version
@@ -0,0 +1 @@
+ruby-2.7.2