diff --git a/Gemfile.lock b/Gemfile.lock
index ecae258..f3e2383 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,10 +79,14 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
+    msgpack (1.3.1)
     msgpack (1.3.1-x64-mingw32)
     nio4r (2.5.1)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.4-x64-mingw32)
       mini_portile2 (~> 2.4.0)
+    pg (1.1.4)
     pg (1.1.4-x64-mingw32)
     puma (3.12.1)
     rack (2.0.7)
@@ -123,9 +127,10 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    sqlite3 (1.4.4)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)
@@ -136,6 +141,7 @@ GEM
 
 PLATFORMS
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   bootsnap (>= 1.4.2)
@@ -144,6 +150,7 @@ DEPENDENCIES
   puma (~> 3.11)
   rack-cors
   rails (~> 6.0.0)
+  sqlite3 (~> 1.4)
   tzinfo-data
 
 RUBY VERSION