diff --git a/README.md b/README.md
index aa74a75a3..1d48e0a0a 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 | Interpreter | Versions |
 | ----------- | -------- |
 | `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.0.2, head, debug, mingw, mswin |
-| `jruby` | 9.1.17.0 - 9.3.0.0, head |
+| `jruby` | 9.1.17.0 - 9.3.1.0, head |
 | `truffleruby` | 19.3.0 - 21.2.0.1, head |
 | `truffleruby+graalvm` | 21.2.0, head |
 
diff --git a/dist/index.js b/dist/index.js
index 95ec40bf0..8d08de164 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -58782,7 +58782,7 @@ 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",
-      "9.3.0.0",
+      "9.3.0.0", "9.3.1.0",
       "head"
     ],
     "truffleruby": [
diff --git a/ruby-builder-versions.js b/ruby-builder-versions.js
index 26f2a3516..839476d33 100644
--- a/ruby-builder-versions.js
+++ b/ruby-builder-versions.js
@@ -16,7 +16,7 @@ export 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",
-      "9.3.0.0",
+      "9.3.0.0", "9.3.1.0",
       "head"
     ],
     "truffleruby": [