diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c00c411..39bdb00 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -19,3 +19,7 @@ It is recommended to add this as a `git` `pre-commit` hook:
 ```bash
 $ cp pre-commit .git/hooks/pre-commit
 ```
+
+## Adding a new Ruby version
+
+Add the new version in `ruby-builder-versions.js` and update the README.
diff --git a/dist/index.js b/dist/index.js
index 4e77d28..4f1a518 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -58781,7 +58781,7 @@ function getVersions(platform) {
     ],
     "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",
+      "9.2.9.0", "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",
       "9.3.0.0", "9.3.1.0",
       "head"
     ],