diff --git a/Gemfile.lock b/Gemfile.lock
index e732eef..4a84321 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,11 +2,8 @@ PATH
   remote: .
   specs:
     binco (3.5.2)
-      bootstrap (~> 4.3)
-      bootstrap-datepicker-rails (~> 1.6, >= 1.6.0)
-      jquery-rails (= 4.3.1)
-      railties (>= 3.2, <= 6)
-      select2-rails (~> 4.0)
+      jquery-rails (>= 4.3.1)
+      railties (>= 3.2, <= 7)
 
 GEM
   remote: https://rubygems.org/
@@ -29,19 +26,10 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    autoprefixer-rails (9.7.1)
-      execjs
-    bootstrap (4.3.1)
-      autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.14.3, < 2)
-      sassc-rails (>= 2.0.0)
-    bootstrap-datepicker-rails (1.8.0.1)
-      railties (>= 3.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     erubi (1.8.0)
-    execjs (2.7.0)
     ffi (1.10.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
@@ -49,23 +37,24 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
-    popper_js (1.14.5)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    racc (1.6.1)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)
@@ -87,16 +76,6 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sassc (2.2.1)
-      ffi (~> 1.9)
-    sassc-rails (2.1.2)
-      railties (>= 4.0.0)
-      sassc (>= 2.0)
-      sprockets (> 3.0)
-      sprockets-rails
-      tilt
-    select2-rails (4.0.3)
-      thor (~> 0.14)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)