diff --git a/Gemfile.lock b/Gemfile.lock
index b7a14e2..a79fa39 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,10 @@
+GIT
+  remote: https://github.com/stomar/sqlite3-ruby
+  revision: 30c93813228db0fd34b9cf5809ed8609c2535b29
+  branch: add-dlfcn
+  specs:
+    sqlite3 (1.3.13.20180326210955)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -64,6 +71,7 @@ GEM
     crass (1.0.4)
     erubi (1.7.1)
     execjs (2.7.0)
+    ffi (1.9.25)
     ffi (1.9.25-x86-mingw32)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
@@ -79,14 +87,18 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.8.5-x86-mingw32)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.6-x86-mingw32)
+      racc (~> 1.4)
     public_suffix (3.0.3)
     puma (3.12.0)
+    racc (1.6.0)
     rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -139,7 +151,6 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sqlite3 (1.3.13-x86-mingw32)
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (2.0.9)
@@ -164,6 +175,7 @@ GEM
       nokogiri (~> 1.8)
 
 PLATFORMS
+  ruby
   x86-mingw32
 
 DEPENDENCIES
@@ -175,7 +187,7 @@ DEPENDENCIES
   rails (~> 5.1.3)
   sass-rails (~> 5.0)
   selenium-webdriver
-  sqlite3
+  sqlite3!
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)