diff --git a/Gemfile b/Gemfile
index 8260a81..279e46b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,7 +21,7 @@ gem 'turbolinks'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.11'
 # bundle exec rake doc:rails generates the API under doc/api.
-gem 'sdoc', '~> 2.3.1', group: :doc
+gem 'sdoc', '~> 2.6.0', group: :doc
 
 # Use sidekiq gem for background jobs
 gem 'sidekiq'
diff --git a/Gemfile.lock b/Gemfile.lock
index f53aaff..30a160d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,6 +127,8 @@ GEM
     nokogiri (1.13.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
+    psych (5.0.1)
+      stringio
     puma (5.6.2)
       nio4r (~> 2.0)
     racc (1.6.0)
@@ -163,7 +165,8 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rdoc (6.3.3)
+    rdoc (6.5.0)
+      psych (>= 4.0.0)
     redis (4.6.0)
     ref (2.0.0)
     request_store (1.5.0)
@@ -188,8 +191,8 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    sdoc (2.3.1)
-      rdoc (>= 5.0, < 6.4.0)
+    sdoc (2.6.0)
+      rdoc (>= 5.0)
     sidekiq (6.4.1)
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
@@ -203,6 +206,7 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.4.2)
+    stringio (3.0.4)
     sweet-alert-confirm (0.4.1)
     sweetalert-rails (1.1.3)
       railties (>= 3.1.0)
@@ -245,7 +249,7 @@ DEPENDENCIES
   rails (~> 6.1.4)
   ruby-nmap
   sass-rails
-  sdoc (~> 2.3.1)
+  sdoc (~> 2.6.0)
   sidekiq
   spring
   sqlite3