diff --git a/.ruby-version b/.ruby-version
index d48d3702..37c2961c 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.6.9
+2.7.2
diff --git a/Gemfile b/Gemfile
index a63f7b30..5483cd84 100644
--- a/Gemfile
+++ b/Gemfile
@@ -40,7 +40,7 @@ gem 'ransack'
 gem 'acts_as_tree'
 gem 'rails-settings-cached', '= 0.4.3' # caching breaks tests until Rails 5 https://github.com/huacnlee/rails-settings-cached/issues/73
 gem 'resque'
-gem 'puma'
+gem 'puma', '~> 5.0' #waiting for stable puma 6 release. does break with capybara
 gem 'whenever', require: false # For defining cronjobs, see config/schedule.rb
 gem 'ruby-units'
 gem 'attribute_normalizer'
diff --git a/Gemfile.lock b/Gemfile.lock
index d884da34..2c1f8bd4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,7 +148,7 @@ GEM
     bullet (7.0.3)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
-    capybara (3.36.0)
+    capybara (3.37.1)
       addressable
       matrix
       mini_mime (>= 0.1.3)
@@ -209,14 +209,14 @@ GEM
     factory_bot_rails (6.2.0)
       factory_bot (~> 6.2.0)
       railties (>= 5.0.0)
-    faker (2.22.0)
+    faker (2.23.0)
       i18n (>= 1.8.11, < 2)
     ffi (1.15.5)
     gaffe (1.2.0)
       rails (>= 4.0.0)
     globalid (1.0.0)
       activesupport (>= 5.0)
-    haml (6.0.6)
+    haml (6.0.7)
       temple (>= 0.8.2)
       thor
       tilt
@@ -269,7 +269,7 @@ GEM
       actionpack (>= 5.0)
       less (~> 2.6.0)
       sprockets (~> 3.0)
-    libv8 (3.16.14.19)
+    libv8 (3.16.14.19-x86_64-linux)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -299,7 +299,6 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.0)
     minitest (5.16.3)
     mono_logger (1.1.1)
     msgpack (1.6.0)
@@ -308,8 +307,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.4)
     nio4r (2.5.8)
-    nokogiri (1.13.8)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     parallel (1.22.1)
     parser (3.1.2.1)
@@ -384,9 +382,9 @@ GEM
       thor (~> 1.0)
     rainbow (3.1.1)
     rake (13.0.6)
-    ransack (3.0.1)
-      activerecord (>= 6.0.4)
-      activesupport (>= 6.0.4)
+    ransack (3.2.1)
+      activerecord (>= 6.1.5)
+      activesupport (>= 6.1.5)
       i18n
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -414,26 +412,26 @@ GEM
       redis-namespace (~> 1.6)
       sinatra (>= 0.9.2)
     rexml (3.2.5)
-    roo (2.8.3)
+    roo (2.9.0)
       nokogiri (~> 1)
       rubyzip (>= 1.3.0, < 3.0.0)
     roo-xls (1.2.0)
       nokogiri
       roo (>= 2.0.0, < 3)
       spreadsheet (> 0.9.0)
-    rspec (3.11.0)
-      rspec-core (~> 3.11.0)
-      rspec-expectations (~> 3.11.0)
-      rspec-mocks (~> 3.11.0)
-    rspec-core (3.11.0)
-      rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.1)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.0)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-mocks (3.11.1)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-rails (6.0.0)
+      rspec-support (~> 3.12.0)
+    rspec-rails (6.0.1)
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       railties (>= 6.1)
@@ -443,24 +441,24 @@ GEM
       rspec-support (~> 3.11)
     rspec-rerun (1.1.0)
       rspec (~> 3.0)
-    rspec-support (3.11.1)
-    rubocop (1.36.0)
+    rspec-support (3.12.0)
+    rubocop (1.37.1)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.20.1, < 2.0)
+      rubocop-ast (>= 1.23.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.21.0)
+    rubocop-ast (1.23.0)
       parser (>= 3.1.1.0)
-    rubocop-rails (2.16.1)
+    rubocop-rails (2.17.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
-    rubocop-rspec (2.13.2)
+    rubocop-rspec (2.14.2)
       rubocop (~> 1.33)
     ruby-filemagic (0.7.3)
     ruby-ole (1.2.12.2)
@@ -516,7 +514,7 @@ GEM
     sqlite3-ruby (1.3.3)
       sqlite3 (>= 1.3.3)
     table_print (1.5.7)
-    temple (0.8.2)
+    temple (0.9.1)
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
@@ -614,7 +612,7 @@ DEPENDENCIES
   prawn-table
   pry-rescue
   pry-stack_explorer
-  puma
+  puma (~> 5.0)
   rack-cors
   rails (~> 6.1)
   rails-assets-listjs (= 0.2.0.beta.4)
@@ -654,4 +652,4 @@ DEPENDENCIES
   whenever
 
 BUNDLED WITH
-   1.17.3
+   2.3.24