diff --git a/project.clj b/project.clj
index d1ff2454..7f2c89c1 100644
--- a/project.clj
+++ b/project.clj
@@ -1,6 +1,6 @@
 (def i18n-version "1.0.4")
 
-(defproject org.openvoxproject/jruby-utils "5.5.1-SNAPSHOT"
+(defproject org.openvoxproject/jruby-utils "6.0.0-SNAPSHOT"
   :description "A library for working with JRuby"
   :url "https://github.com/openvoxproject/jruby-utils"
   :license {:name "Apache License, Version 2.0"
diff --git a/renovate.jsonc b/renovate.jsonc
index ad4c7e99..54f0c0df 100644
--- a/renovate.jsonc
+++ b/renovate.jsonc
@@ -1,5 +1,6 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "baseBranchPatterns": ["main", "5.x"],
   "addLabels": ["renovate", "dependencies"],
   "assigneesFromCodeOwners": true,
   "automerge": true,
@@ -10,11 +11,20 @@
   "platformAutomerge": true,
 
   "packageRules": [
-    // Lock jruby-deps to the 9.4 release series. Moving to 10.0 will
-    // be a major version change.
+    // Lock JRuby to the 10.0 release series for the main branch.
+    {
+      "groupName": "jruby updates",
+      "allowedVersions": "<10.1",
+      "matchPackageNames": [
+        "org.openvoxproject:jruby-deps"
+      ]
+    },
+
+    // Lock JRuby to the 9.4 release series for the 5.x branch.
     {
       "groupName": "jruby updates",
       "allowedVersions": "<10.0",
+      "matchBaseBranches": "5.x",
       "matchPackageNames": [
         "org.openvoxproject:jruby-deps"
       ]