diff --git a/.travis.yml b/.travis.yml
index 0f3c4e4..0e69d88 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ rvm:
   - 2.6.6
   - 2.7.2
   - 3.0.0
+  - truffleruby-head
 env:
   - CI=true
 gemfile:
diff --git a/Gemfile b/Gemfile
index 53dd203..0fc9cc9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,7 @@
 source "https://rubygems.org"
 
 gem 'coveralls', require: false
+gem 'ruby-prof', '~> 0.16',  platforms: :mri
 
 # Specify your gem's dependencies in batch-loader.gemspec
 gemspec
diff --git a/batch-loader.gemspec b/batch-loader.gemspec
index 761d8a4..abb5b8d 100644
--- a/batch-loader.gemspec
+++ b/batch-loader.gemspec
@@ -27,5 +27,4 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "graphql", "~> 1.8"
   spec.add_development_dependency "pry", "~> 0.14"
   spec.add_development_dependency "benchmark-ips", "~> 2.7"
-  spec.add_development_dependency "ruby-prof", "~> 0.16"
 end