diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..9f24174
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,17 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    builder (3.2.0)
+    jwt (0.1.8)
+      multi_json (>= 1.5)
+    multi_json (1.7.1)
+    twilio-ruby (3.9.0)
+      builder (>= 2.1.2)
+      jwt (>= 0.1.2)
+      multi_json (>= 1.3.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  twilio-ruby