diff --git a/.github/workflows/html-proofer.yml b/.github/workflows/html-proofer.yml
index 8d1f23c..3f29dbc 100644
--- a/.github/workflows/html-proofer.yml
+++ b/.github/workflows/html-proofer.yml
@@ -31,4 +31,4 @@ jobs:
         run: bundle exec jekyll build
 
       - name: Run HTMLProofer
-        run: bundle exec htmlproofer --allow-hash-href=true --ignore-urls "/hachyderm.io/,/play.google.com/,/f-droid.org/" ./_site
+        run: bundle exec htmlproofer --allow-hash-href --ignore-urls "hachyderm.io,play.google.com,f-droid.org" ./_site
diff --git a/Gemfile b/Gemfile
index 8151e8b..595d930 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,16 +1,18 @@
 source 'https://rubygems.org'
 
-gem 'jekyll', '~> 4.3'
+gem 'jekyll', '4.3.1'
 gem 'webrick', '~> 1.8'
 
 group :jekyll_plugins do
-  gem 'jekyll-archives', '~> 2.2'
-  gem 'jekyll-feed', '~> 0.17'
-  gem 'jekyll-paginate', '~> 1.1'
-  gem 'jekyll-seo-tag', '~> 2.8'
-  gem 'jekyll-sitemap', '~> 1.4'
+  gem 'jekyll-archives'
+  gem 'jekyll-feed'
+  gem 'jekyll-paginate'
+  gem 'jekyll-seo-tag'
+  gem 'jekyll-sitemap'
 end
 
-group :development do
-  gem 'html-proofer', '~> 5.0'
-end
+gem 'html-proofer'
+gem 'csv'
+gem 'logger'
+gem 'base64'
+gem 'bigdecimal'