diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 76ec04f..5535fa7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,8 +6,10 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
+    continue-on-error: ${{matrix.experimental}}
     env:
       CC_TEST_REPORTER_ID: ${{secrets.CC_TEST_REPORTER_ID}}
+      JRUBY_OPTS: '-X+O'
 
     strategy:
       fail-fast: false
@@ -23,7 +25,12 @@ jobs:
           - 3.3
           - jruby
           - truffleruby
-
+        experimental: [false]
+        include:
+          - ruby: jruby-head
+            experimental: true
+          - ruby: head
+            experimental: true
 
     steps:
     - uses: actions/checkout@v4
diff --git a/README.md b/README.md
index 5950cde..bc5adf5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # DumbDelegator
 
-[![Gem Version](https://badge.fury.io/rb/dumb_delegator.svg)](https://badge.fury.io/rb/dumb_delegator)
+[![Gem Version](https://badge.fury.io/rb/dumb_delegator.svg?icon=si%3Arubygems&icon_color=%23ff2600)](https://badge.fury.io/rb/dumb_delegator)
 [![CI](https://github.com/stevenharman/dumb_delegator/actions/workflows/ci.yml/badge.svg)](https://github.com/stevenharman/dumb_delegator/actions/workflows/ci.yml)
 [![Maintainability](https://api.codeclimate.com/v1/badges/b684cbe08af745cbe957/maintainability)](https://codeclimate.com/github/stevenharman/dumb_delegator/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/b684cbe08af745cbe957/test_coverage)](https://codeclimate.com/github/stevenharman/dumb_delegator/test_coverage)