diff --git a/Gemfile b/Gemfile
index 7467fe90ff6..8c14e391e2e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-ruby '3.0.2'
+ruby '~>3.0.2'
 source 'https://rubygems.org'
 
 gem 'rake'
@@ -6,4 +6,5 @@ gem 'rspec'
 gem 'nokogiri'
 gem 'csl', '~>2.0'
 gem 'fuubar'
+gem 'csl-styles', git: 'https://github.com/adam3smith/csl-styles.git'
 gem 'sheldon', git: 'https://github.com/citation-style-language/Sheldon.git'
diff --git a/Gemfile.lock b/Gemfile.lock
index 652dd71b962..ca67598402b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,9 +1,17 @@
+GIT
+  remote: https://github.com/adam3smith/csl-styles.git
+  revision: 710db9105c367b11877290c9d0638ee53186d2f5
+  specs:
+    csl-styles (1.0.1.11)
+      csl (>= 1.0)
+
 GIT
   remote: https://github.com/citation-style-language/Sheldon.git
-  revision: 95838163331bf81cbfa4c5ffda2c82121247e757
+  revision: c88a062e987c67dee4841b5f09ca70e3c0c974d9
   specs:
     sheldon (1.0.30)
       citeproc-ruby (~> 2.0)
+      csl-styles
       diffy
       dotenv
       erubis (~> 2.7)
@@ -102,6 +110,7 @@ PLATFORMS
 
 DEPENDENCIES
   csl (~> 2.0)
+  csl-styles!
   fuubar
   nokogiri
   rake