diff --git a/Gemfile b/Gemfile
index b281e1aa..93de5e41 100644
--- a/Gemfile
+++ b/Gemfile
@@ -82,7 +82,7 @@ gem 'formtastic-bootstrap'
 
 # as the JavaScript library
 gem 'jquery-rails'
-gem 'jquery-ui-rails', '~> 4.2.1'
+gem 'jquery-ui-rails', '~> 6.0.1'
 
 # for languages validation
 gem 'iso-639'
diff --git a/Gemfile.lock b/Gemfile.lock
index 27ec514a..b73a6d39 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,7 +94,7 @@ GEM
     bootstrap-switch-rails (3.0.2)
     bootstrap3-datetimepicker-rails (4.17.47)
       momentjs-rails (>= 2.8.1)
-    builder (3.2.3)
+    builder (3.2.4)
     byebug (11.0.1)
     cancancan (2.3.0)
     capybara (3.26.0)
@@ -129,7 +129,7 @@ GEM
       simplecov
       url
     coderay (1.1.1)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
     connection_pool (2.2.2)
     countable-rails (0.0.1)
       railties (>= 3.1)
@@ -142,7 +142,7 @@ GEM
       sort_alphabetical (~> 1.0)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.5)
+    crass (1.0.6)
     daemons (1.3.1)
     dalli (2.7.10)
     dante (0.2.0)
@@ -235,7 +235,7 @@ GEM
     htmlentities (4.3.4)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (1.7.0)
+    i18n (1.8.3)
       concurrent-ruby (~> 1.0)
     i18n_data (0.8.0)
     inversion (1.1.1)
@@ -252,7 +252,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jquery-ui-rails (4.2.1)
+    jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
     json (2.3.0)
     json-schema (2.8.1)
@@ -270,7 +270,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     loggability (0.14.0)
-    loofah (2.4.0)
+    loofah (2.6.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -289,7 +289,7 @@ GEM
     mini_magick (4.9.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.13.0)
+    minitest (5.14.1)
     momentjs-rails (2.20.1)
       railties (>= 3.1)
     monetize (1.9.2)
@@ -310,7 +310,7 @@ GEM
       connection_pool (~> 2.2)
     netrc (0.11.0)
     nio4r (2.5.2)
-    nokogiri (1.10.8)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
@@ -379,7 +379,7 @@ GEM
       slop (~> 3.4)
     public_suffix (3.1.1)
     puma (3.12.6)
-    rack (2.1.4)
+    rack (2.2.3)
     rack-openid (1.3.1)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)
@@ -562,7 +562,7 @@ GEM
       stripe (>= 2.0.3)
     sysexits (1.2.0)
     temple (0.8.0)
-    thor (0.20.3)
+    thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.9)
     timecop (0.9.1)
@@ -573,7 +573,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)
@@ -658,7 +658,7 @@ DEPENDENCIES
   iso-639
   jquery-datatables-rails
   jquery-rails
-  jquery-ui-rails (~> 4.2.1)
+  jquery-ui-rails (~> 6.0.1)
   json-schema
   leaflet-rails
   letter_opener