diff --git a/Gemfile b/Gemfile
index df0bac315..865423c22 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,5 +29,4 @@ group :test do
   end
 end
 
-gem "strscan", ">= 3.1"
 gem "lru_redux"
diff --git a/liquid.gemspec b/liquid.gemspec
index 7b8c68f9f..a601938d1 100644
--- a/liquid.gemspec
+++ b/liquid.gemspec
@@ -30,6 +30,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency("strscan")
   s.add_dependency("bigdecimal")
+  s.add_dependency("lru_redux")
 
   s.add_development_dependency('rake', '~> 13.0')
   s.add_development_dependency('minitest')