diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 87b2565..1695126 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,5 +13,7 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true
+      - name: Install Curl
+        run: sudo apt install libcurl4-openssl-dev
       - name: Run tests
         run: bundle exec rake
\ No newline at end of file
diff --git a/Rakefile b/Rakefile
index 9bbfb78..b957aba 100644
--- a/Rakefile
+++ b/Rakefile
@@ -11,12 +11,12 @@ end
 
 desc 'Preview site'
 task watch: :clean do
-  sh 'jekyll serve --watch'
+  sh 'bundle exec jekyll serve --watch'
 end
 
 desc 'Build site'
 task build: :clean do
-  sh 'jekyll build'
+  sh 'bundle exec jekyll build'
 end
 
 desc 'Run HTMLProofer on _site'
@@ -25,8 +25,9 @@ task check: :build do
     check_html: true,
     allow_hash_href: true,
     assume_extension: true,
+    http_status_ignore: [403],
     typhoeus: {
-      headers: { "User-Agent": 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0' }
+      headers: { "User-Agent": 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:87.0) Gecko/20100101 Firefox/87.0' }
     }
   }
   HTMLProofer.check_directory('./_site', options).run