diff --git a/javascript/packages/formatter/package.json b/javascript/packages/formatter/package.json
index 3d483c3a7..0fc73ba1d 100644
--- a/javascript/packages/formatter/package.json
+++ b/javascript/packages/formatter/package.json
@@ -42,7 +42,7 @@
     "@herb-tools/node-wasm": "0.11.1",
     "@herb-tools/printer": "0.11.1",
     "@herb-tools/rewriter": "0.11.1",
-    "@ruby/prism": "^1.9.0",
+    "@ruby/prism": "^2.1.0",
     "tinyglobby": "^0.2.15"
   },
   "files": [