diff --git a/Gemfile b/Gemfile
index 17463e74..90868780 100644
--- a/Gemfile
+++ b/Gemfile
@@ -32,7 +32,7 @@ group :test do
 end
 
 group :spec do
-  # Using feature branch until https://github.com/Shopify/liquid-spec/pull/144 is merged
-  gem 'liquid-spec', github: 'Shopify/liquid-spec', branch: 'self-drop-env-lookup-specs'
+  # Includes the merged specs from https://github.com/Shopify/liquid-spec/pull/144.
+  gem 'liquid-spec', github: 'Shopify/liquid-spec', ref: '416a66b4cd9abf7927cf78bb1f4bf950f68b862f'
   gem 'activesupport', require: false
 end