diff --git a/Gemfile b/Gemfile
index 0f26071b..e94614bd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
 puts 'Usa haini.sh para generar un entorno de trabajo reproducible'
-source 'https://gems.sutty.nl'
+source 'https://17.3.alpine.gems.sutty.nl'
 
-ruby '~> 2.7'
+ruby '~> 3.1'
 
 gem 'dotenv-rails', require: 'dotenv/rails-now'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index db7e601a..2e84a873 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GIT
       simpleidn
 
 GEM
-  remote: https://gems.sutty.nl/
+  remote: https://17.3.alpine.gems.sutty.nl/
   specs:
     actioncable (6.1.4.1)
       actionpack (= 6.1.4.1)
@@ -129,8 +129,9 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    dead_end (3.1.0)
-    derailed_benchmarks (2.1.1)
+    date (3.3.3-x86_64-linux-musl)
+    dead_end (4.0.0)
+    derailed_benchmarks (2.1.2)
       benchmark-ips (~> 2)
       dead_end
       get_process_mem (~> 0)
@@ -219,7 +220,7 @@ GEM
     httparty (0.18.1)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    i18n (1.8.11)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     icalendar (2.7.1)
       ice_cube (~> 0.16)
@@ -252,16 +253,7 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-data (1.1.2)
       jekyll (>= 3.3, < 5.0.0)
-    jekyll-dotenv (0.2.0)
-      dotenv (~> 2.7)
-      jekyll (~> 4)
-    jekyll-feed (0.15.1)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-hardlinks (0.1.2)
-      jekyll (~> 4)
-    jekyll-ignore-layouts (0.1.2)
-      jekyll (~> 4)
-    jekyll-images (0.3.0)
+    jekyll-images (0.4.0)
       jekyll (~> 4)
       ruby-filemagic (~> 0.7)
       ruby-vips (~> 2)
@@ -328,8 +320,11 @@ GEM
     loofah (2.12.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.7.1)
+    mail (2.8.0)
       mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
     marcel (1.0.2)
     memory_profiler (1.0.0)
     mercenary (0.4.0)
@@ -346,8 +341,17 @@ GEM
       i18n (>= 0.6.10, < 2)
       request_store (~> 1.0)
     multi_xml (0.6.0)
-    net-ssh (6.1.0)
-    netaddr (2.0.5)
+    net-imap (0.3.4)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.1)
+      timeout
+    net-smtp (0.3.3)
+      net-protocol
+    net-ssh (7.0.1)
+    netaddr (2.0.6)
     nio4r (2.5.8-x86_64-linux-musl)
     nokogiri (1.12.5-x86_64-linux-musl)
       mini_portile2 (~> 2.6.1)
@@ -522,9 +526,10 @@ GEM
     temple (0.8.2)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    thor (1.1.0)
-    tilt (2.0.10)
-    timecop (0.9.4)
+    thor (1.2.1)
+    tilt (2.0.11)
+    timecop (0.9.6)
+    timeout (0.3.1)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
@@ -651,7 +656,7 @@ DEPENDENCIES
   yaml_db!
 
 RUBY VERSION
-   ruby 2.7.1p83
+   ruby 3.1.3p185
 
 BUNDLED WITH
-   2.2.2
+   2.4.1