diff --git a/Gemfile.lock b/Gemfile.lock
index dc9c2a1..8f393cb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,6 +12,7 @@ GEM
     sequel (3.15.0)
     sinatra (1.0)
       rack (>= 1.0)
+    sqlite3 (1.3.9)
     xml-simple (1.0.12)
 
 PLATFORMS
@@ -23,3 +24,4 @@ DEPENDENCIES
   rack
   sequel
   sinatra
+  sqlite3