diff --git a/README.md b/README.md
index 0f3334061..e6f803b1d 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,8 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 | ----------- | -------- |
 | `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.3.0, head, debug, mingw, mswin, ucrt |
 | `jruby` | 9.1.17.0 - 9.4.6.0, head |
-| `truffleruby` | 19.3.0 - 23.1.2, head |
-| `truffleruby+graalvm` | 21.2.0 - 23.1.2, head |
+| `truffleruby` | 19.3.0 - 24.0.0, head |
+| `truffleruby+graalvm` | 21.2.0 - 24.0.0, head |
 
 `ruby-debug` is the same as `ruby-head` but with assertions enabled (`-DRUBY_DEBUG=1`).  
 
diff --git a/dist/index.js b/dist/index.js
index 5a442a1e2..f63933746 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -65650,7 +65650,7 @@ module.exports = JSON.parse('[[[0,44],"disallowed_STD3_valid"],[[45,46],"valid"]
 /***/ ((module) => {
 
 "use strict";
-module.exports = JSON.parse('{"ruby":["1.9.3-p551","2.0.0-p648","2.1.9","2.2.10","2.3.0","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.3.8","2.4.0","2.4.1","2.4.2","2.4.3","2.4.4","2.4.5","2.4.6","2.4.7","2.4.9","2.4.10","2.5.0","2.5.1","2.5.2","2.5.3","2.5.4","2.5.5","2.5.6","2.5.7","2.5.8","2.5.9","2.6.0","2.6.1","2.6.2","2.6.3","2.6.4","2.6.5","2.6.6","2.6.7","2.6.8","2.6.9","2.6.10","2.7.0","2.7.1","2.7.2","2.7.3","2.7.4","2.7.5","2.7.6","2.7.7","2.7.8","3.0.0-preview1","3.0.0-preview2","3.0.0-rc1","3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.1.0-preview1","3.1.0","3.1.1","3.1.2","3.1.3","3.1.4","3.2.0-preview1","3.2.0-preview2","3.2.0-preview3","3.2.0-rc1","3.2.0","3.2.1","3.2.2","3.2.3","3.3.0-preview1","3.3.0-preview2","3.3.0-preview3","3.3.0-rc1","3.3.0","head","debug"],"jruby":["9.1.17.0","9.2.9.0","9.2.10.0","9.2.11.0","9.2.11.1","9.2.12.0","9.2.13.0","9.2.14.0","9.2.15.0","9.2.16.0","9.2.17.0","9.2.18.0","9.2.19.0","9.2.20.0","9.2.20.1","9.2.21.0","9.3.0.0","9.3.1.0","9.3.2.0","9.3.3.0","9.3.4.0","9.3.6.0","9.3.7.0","9.3.8.0","9.3.9.0","9.3.10.0","9.3.11.0","9.3.13.0","9.3.14.0","9.4.0.0","9.4.1.0","9.4.2.0","9.4.3.0","9.4.4.0","9.4.5.0","9.4.6.0","head"],"truffleruby":["19.3.0","19.3.1","20.0.0","20.1.0","20.2.0","20.3.0","21.0.0","21.1.0","21.2.0","21.2.0.1","21.3.0","22.0.0.2","22.1.0","22.2.0","22.3.0","22.3.1","23.0.0-preview1","23.0.0","23.1.0","23.1.1","23.1.2","head"],"truffleruby+graalvm":["21.2.0","21.3.0","22.0.0.2","22.1.0","22.2.0","22.3.0","22.3.1","23.0.0-preview1","23.0.0","23.1.0","23.1.1","23.1.2","head"]}');
+module.exports = JSON.parse('{"ruby":["1.9.3-p551","2.0.0-p648","2.1.9","2.2.10","2.3.0","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.3.8","2.4.0","2.4.1","2.4.2","2.4.3","2.4.4","2.4.5","2.4.6","2.4.7","2.4.9","2.4.10","2.5.0","2.5.1","2.5.2","2.5.3","2.5.4","2.5.5","2.5.6","2.5.7","2.5.8","2.5.9","2.6.0","2.6.1","2.6.2","2.6.3","2.6.4","2.6.5","2.6.6","2.6.7","2.6.8","2.6.9","2.6.10","2.7.0","2.7.1","2.7.2","2.7.3","2.7.4","2.7.5","2.7.6","2.7.7","2.7.8","3.0.0-preview1","3.0.0-preview2","3.0.0-rc1","3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.1.0-preview1","3.1.0","3.1.1","3.1.2","3.1.3","3.1.4","3.2.0-preview1","3.2.0-preview2","3.2.0-preview3","3.2.0-rc1","3.2.0","3.2.1","3.2.2","3.2.3","3.3.0-preview1","3.3.0-preview2","3.3.0-preview3","3.3.0-rc1","3.3.0","head","debug"],"jruby":["9.1.17.0","9.2.9.0","9.2.10.0","9.2.11.0","9.2.11.1","9.2.12.0","9.2.13.0","9.2.14.0","9.2.15.0","9.2.16.0","9.2.17.0","9.2.18.0","9.2.19.0","9.2.20.0","9.2.20.1","9.2.21.0","9.3.0.0","9.3.1.0","9.3.2.0","9.3.3.0","9.3.4.0","9.3.6.0","9.3.7.0","9.3.8.0","9.3.9.0","9.3.10.0","9.3.11.0","9.3.13.0","9.3.14.0","9.4.0.0","9.4.1.0","9.4.2.0","9.4.3.0","9.4.4.0","9.4.5.0","9.4.6.0","head"],"truffleruby":["19.3.0","19.3.1","20.0.0","20.1.0","20.2.0","20.3.0","21.0.0","21.1.0","21.2.0","21.2.0.1","21.3.0","22.0.0.2","22.1.0","22.2.0","22.3.0","22.3.1","23.0.0-preview1","23.0.0","23.1.0","23.1.1","23.1.2","24.0.0","head"],"truffleruby+graalvm":["21.2.0","21.3.0","22.0.0.2","22.1.0","22.2.0","22.3.0","22.3.1","23.0.0-preview1","23.0.0","23.1.0","23.1.1","23.1.2","24.0.0","head"]}');
 
 /***/ }),
 
diff --git a/ruby-builder-versions.json b/ruby-builder-versions.json
index 1c101440e..961d1b42b 100644
--- a/ruby-builder-versions.json
+++ b/ruby-builder-versions.json
@@ -28,12 +28,14 @@
     "21.0.0", "21.1.0", "21.2.0", "21.2.0.1", "21.3.0",
     "22.0.0.2", "22.1.0", "22.2.0", "22.3.0", "22.3.1",
     "23.0.0-preview1", "23.0.0", "23.1.0", "23.1.1", "23.1.2",
+    "24.0.0",
     "head"
   ],
   "truffleruby+graalvm": [
     "21.2.0", "21.3.0",
     "22.0.0.2", "22.1.0", "22.2.0", "22.3.0", "22.3.1",
     "23.0.0-preview1", "23.0.0", "23.1.0", "23.1.1", "23.1.2",
+    "24.0.0",
     "head"
   ]
 }