diff --git a/CHANGELOG.md b/CHANGELOG.md
index e29ad89eb..e620222ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 - Fix a bug: unable to install a new instance with an external reverse proxy
 - Fix a bug: do not display "powered by disqus" if Disqus is disabled
 - Fix a bug: do not send notifications each hour for payment schedules deadlines
+- Fix a security issue: updated rails to 5.2.4.5 to fix [CVE-2021-22880](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22880)
+- [TODO DEPLOY] -> (only dev) `bundle install`
 
 ## v4.7.2 2021 March 1st
 - Updated yq to v4
diff --git a/Gemfile.lock b/Gemfile.lock
index 182b7fd1a..ee8c4a8b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,46 +4,46 @@ GEM
     Ascii85 (1.0.3)
     aasm (5.0.8)
       concurrent-ruby (~> 1.0)
-    actioncable (5.2.4.4)
-      actionpack (= 5.2.4.4)
+    actioncable (5.2.4.5)
+      actionpack (= 5.2.4.5)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.4.4)
-      actionpack (= 5.2.4.4)
-      actionview (= 5.2.4.4)
-      activejob (= 5.2.4.4)
+    actionmailer (5.2.4.5)
+      actionpack (= 5.2.4.5)
+      actionview (= 5.2.4.5)
+      activejob (= 5.2.4.5)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.4.4)
-      actionview (= 5.2.4.4)
-      activesupport (= 5.2.4.4)
+    actionpack (5.2.4.5)
+      actionview (= 5.2.4.5)
+      activesupport (= 5.2.4.5)
       rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
     actionpack-page_caching (1.2.2)
       actionpack (>= 5.0.0)
-    actionview (5.2.4.4)
-      activesupport (= 5.2.4.4)
+    actionview (5.2.4.5)
+      activesupport (= 5.2.4.5)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
     active_record_query_trace (1.7)
-    activejob (5.2.4.4)
-      activesupport (= 5.2.4.4)
+    activejob (5.2.4.5)
+      activesupport (= 5.2.4.5)
       globalid (>= 0.3.6)
-    activemodel (5.2.4.4)
-      activesupport (= 5.2.4.4)
-    activerecord (5.2.4.4)
-      activemodel (= 5.2.4.4)
-      activesupport (= 5.2.4.4)
+    activemodel (5.2.4.5)
+      activesupport (= 5.2.4.5)
+    activerecord (5.2.4.5)
+      activemodel (= 5.2.4.5)
+      activesupport (= 5.2.4.5)
       arel (>= 9.0)
-    activestorage (5.2.4.4)
-      actionpack (= 5.2.4.4)
-      activerecord (= 5.2.4.4)
+    activestorage (5.2.4.5)
+      actionpack (= 5.2.4.5)
+      activerecord (= 5.2.4.5)
       marcel (~> 0.3.1)
-    activesupport (5.2.4.4)
+    activesupport (5.2.4.5)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -157,7 +157,7 @@ GEM
     httparty (0.18.0)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    i18n (1.8.8)
+    i18n (1.8.9)
       concurrent-ruby (~> 1.0)
     icalendar (2.5.3)
       ice_cube (~> 0.16)
@@ -205,7 +205,7 @@ GEM
     mini_magick (4.10.1)
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
-    minitest (5.14.3)
+    minitest (5.14.4)
     minitest-reporters (1.4.2)
       ansi
       builder
@@ -215,7 +215,7 @@ GEM
     multi_json (1.14.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    nio4r (2.5.4)
+    nio4r (2.5.5)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -276,18 +276,18 @@ GEM
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     railroady (1.5.3)
-    rails (5.2.4.4)
-      actioncable (= 5.2.4.4)
-      actionmailer (= 5.2.4.4)
-      actionpack (= 5.2.4.4)
-      actionview (= 5.2.4.4)
-      activejob (= 5.2.4.4)
-      activemodel (= 5.2.4.4)
-      activerecord (= 5.2.4.4)
-      activestorage (= 5.2.4.4)
-      activesupport (= 5.2.4.4)
+    rails (5.2.4.5)
+      actioncable (= 5.2.4.5)
+      actionmailer (= 5.2.4.5)
+      actionpack (= 5.2.4.5)
+      actionview (= 5.2.4.5)
+      activejob (= 5.2.4.5)
+      activemodel (= 5.2.4.5)
+      activerecord (= 5.2.4.5)
+      activestorage (= 5.2.4.5)
+      activesupport (= 5.2.4.5)
       bundler (>= 1.3.0)
-      railties (= 5.2.4.4)
+      railties (= 5.2.4.5)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
@@ -301,14 +301,14 @@ GEM
       rails_stdout_logging
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
-    railties (5.2.4.4)
-      actionpack (= 5.2.4.4)
-      activesupport (= 5.2.4.4)
+    railties (5.2.4.5)
+      actionpack (= 5.2.4.5)
+      activesupport (= 5.2.4.5)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
-    rake (13.0.1)
+    rake (13.0.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -367,7 +367,7 @@ GEM
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
-    sprockets (3.7.2)
+    sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.2)