diff --git a/src/Gemfile.lock b/src/Gemfile.lock
new file mode 100644
index 0000000..1320a27
--- /dev/null
+++ b/src/Gemfile.lock
@@ -0,0 +1,31 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    mustermann (1.1.1)
+      ruby2_keywords (>= 0.0.1)
+    rack (2.2.3)
+    rack-protection (2.1.0)
+      rack
+    ruby2_keywords (0.0.5)
+    sinatra (2.1.0)
+      mustermann (>= 1.0)
+      rack (>= 2.2)
+      rack-protection (= 2.1.0)
+      tilt (>= 2.0)
+    slim (4.1.0)
+      temple (>= 0.7.6, < 0.9)
+      tilt (>= 2.0.6, < 2.1)
+    sqlite3 (1.4.2)
+    temple (0.8.2)
+    tilt (2.0.10)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  sinatra
+  slim
+  sqlite3
+
+BUNDLED WITH
+   2.2.26