diff --git a/.github/workflows/jruby-nightly.yml b/.github/workflows/jruby-nightly.yml
new file mode 100644
index 0000000..afa3d04
--- /dev/null
+++ b/.github/workflows/jruby-nightly.yml
@@ -0,0 +1,19 @@
+name: JRuby Nightly
+
+on: push
+# on:
+#   schedule:
+#     # Checks daily
+#     - cron: '0 0 * * *'
+
+jobs:
+  TestsOnNightly:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: rm Gemfile.lock
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: jruby-head
+          bundler-cache: true
+      - run: bundle exec rspec
diff --git a/.github/workflows/truffleruby-nightly.yml b/.github/workflows/truffleruby-nightly.yml
new file mode 100644
index 0000000..84da2f0
--- /dev/null
+++ b/.github/workflows/truffleruby-nightly.yml
@@ -0,0 +1,19 @@
+name: TruffleRuby Nightly
+
+on: push
+# on:
+#   schedule:
+#     # Checks daily
+#     - cron: '0 0 * * *'
+
+jobs:
+  TestsOnNightly:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: rm Gemfile.lock
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: truffleruby-head
+          bundler-cache: true
+      - run: bundle exec rspec
diff --git a/Gemfile b/Gemfile
index e62bdcf..a797eee 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,14 +2,19 @@ source "https://rubygems.org"
 
 gemspec
 
-gem "byebug"
-gem "prettier"
-gem "pry"
-gem "pry-byebug"
 gem "rake"
 gem "rspec"
-gem "rubocop"
-gem "rubocop-rake"
-gem "rubocop-rspec"
-gem "simplecov"
-gem "solargraph"
+
+gem "racc" # Needed for JRuby, see https://github.com/jruby/jruby/issues/6581
+
+platforms :ruby, :mingw do
+  gem "byebug"
+  gem "prettier"
+  gem "pry"
+  gem "pry-byebug"
+  gem "rubocop"
+  gem "rubocop-rake"
+  gem "rubocop-rspec"
+  gem "simplecov"
+  gem "solargraph" unless RUBY_ENGINE == "truffleruby"
+end
diff --git a/Gemfile.lock b/Gemfile.lock
index 9040052..e4b42bb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -136,13 +136,16 @@ GEM
 
 PLATFORMS
   arm64-darwin-21
+  java
   ruby
+  unknown
 
 DEPENDENCIES
   byebug
   prettier
   pry
   pry-byebug
+  racc
   rake
   rspec
   rspec-graphql-integration!
diff --git a/README.md b/README.md
index ebc56f4..42b1894 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,12 @@
   <a href="https://github.com/peterfication/rspec-graphql-integration/actions/workflows/ruby-nightly.yml">
     <img alt="CI" src="https://github.com/peterfication/rspec-graphql-integration/actions/workflows/ruby-nightly.yml/badge.svg" \>
   </a>
+  <a href="https://github.com/peterfication/rspec-graphql-integration/actions/workflows/truffleruby-nightly.yml">
+    <img alt="CI" src="https://github.com/peterfication/rspec-graphql-integration/actions/workflows/truffleruby-nightly.yml/badge.svg" \>
+  </a>
+  <a href="https://github.com/peterfication/rspec-graphql-integration/actions/workflows/jruby-nightly.yml">
+    <img alt="CI" src="https://github.com/peterfication/rspec-graphql-integration/actions/workflows/jruby-nightly.yml/badge.svg" \>
+  </a>
 </p>
 
 <p align="center">