diff --git a/Gemfile b/Gemfile
index 00b1150..df15f20 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'nokogiri'
 gem 'puma'
 gem 'rake'
 gem 'mongo'
-gem 'rss'
+gem 'rss', '>= 0.3.0'
 
 group :test do
   gem 'rspec'
diff --git a/Gemfile.lock b/Gemfile.lock
index e2deb99..9cdb257 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,8 @@ GEM
     rack-protection (2.1.0)
       rack
     rake (13.0.3)
-    rexml (3.2.4)
+    rexml (3.3.4)
+      strscan
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)
@@ -49,7 +50,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.1)
-    rss (0.2.9)
+    rss (0.3.0)
       rexml
     ruby2_keywords (0.0.2)
     sinatra (2.1.0)
@@ -57,6 +58,7 @@ GEM
       rack (~> 2.2)
       rack-protection (= 2.1.0)
       tilt (~> 2.0)
+    strscan (3.1.0)
     thread_safe (0.3.6)
     tilt (2.0.10)
     tzinfo (1.2.9)
@@ -74,12 +76,12 @@ DEPENDENCIES
   puma
   rake
   rspec
-  rss
+  rss (>= 0.3.0)
   sinatra
   tilt
 
 RUBY VERSION
-   ruby 3.0.0p0
+   ruby 2.7.8p225
 
 BUNDLED WITH
-   2.2.3
+   2.1.4