diff --git a/.changeset/pre.json b/.changeset/pre.json
index f8638540b..052f8ddf5 100644
--- a/.changeset/pre.json
+++ b/.changeset/pre.json
@@ -6,10 +6,13 @@
   },
   "changesets": [
     "beige-fireants-dress",
+    "beige-suns-clap",
     "brown-dragons-dance",
     "calm-onions-yell",
+    "clean-kids-mate",
     "clever-jobs-clap",
     "curvy-shoes-kiss",
+    "cyan-rats-attend",
     "cyan-waves-notice",
     "early-guests-hug",
     "friendly-walls-reply",
@@ -17,19 +20,25 @@
     "green-peaches-explode",
     "heavy-rings-reply",
     "hungry-spoons-mix",
+    "itchy-trains-exist",
     "khaki-colts-tell",
     "large-dingos-allow",
     "loud-flowers-search",
     "lovely-brooms-explode",
     "neat-rats-sneeze",
+    "rare-spiders-drop",
     "rich-ways-exercise",
     "short-dingos-dance",
+    "silly-bees-wave",
     "six-squids-look",
     "small-doors-lie",
     "smart-chefs-poke",
     "sour-feet-explain",
+    "spotty-phones-deliver",
+    "swift-guests-trade",
     "tasty-penguins-cheat",
     "thin-ears-relax",
+    "twenty-snails-chew",
     "warm-ladybugs-wonder",
     "wicked-rules-rhyme",
     "young-hairs-bow"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c0efcebf..a8185db24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,29 @@
 # eslint-plugin-regexp
 
+## 2.0.0-next.9
+
+### Major Changes
+
+-   Add `regexp/prefer-set-operation` rule ([#616](https://github.com/ota-meshi/eslint-plugin-regexp/pull/616))
+
+### Minor Changes
+
+-   Add support for `v` flag to `regexp/optimal-quantifier-concatenation` ([#618](https://github.com/ota-meshi/eslint-plugin-regexp/pull/618))
+
+-   Add support for `v` flag to `regexp/prefer-character-class` ([#619](https://github.com/ota-meshi/eslint-plugin-regexp/pull/619))
+
+-   Add support for `v` flag to `regexp/use-ignore-case` ([#617](https://github.com/ota-meshi/eslint-plugin-regexp/pull/617))
+
+-   Add support for `v` flag to `regexp/no-misleading-capturing-group` ([#620](https://github.com/ota-meshi/eslint-plugin-regexp/pull/620))
+
+-   Add suggestions for `regexp/no-lazy-ends` ([#624](https://github.com/ota-meshi/eslint-plugin-regexp/pull/624))
+
+-   Add suggestions for `regexp/optimal-lookaround-quantifier` ([#623](https://github.com/ota-meshi/eslint-plugin-regexp/pull/623))
+
+-   Add suggestions for `regexp/no-empty-alternative` ([#621](https://github.com/ota-meshi/eslint-plugin-regexp/pull/621))
+
+-   Added suggestions for `regexp/no-escape-backspace` ([#622](https://github.com/ota-meshi/eslint-plugin-regexp/pull/622))
+
 ## 2.0.0-next.8
 
 ### Minor Changes
diff --git a/docs/rules/prefer-set-operation.md b/docs/rules/prefer-set-operation.md
index d8e65b19d..2c9d3370f 100644
--- a/docs/rules/prefer-set-operation.md
+++ b/docs/rules/prefer-set-operation.md
@@ -3,6 +3,7 @@ pageClass: "rule-details"
 sidebarDepth: 0
 title: "regexp/prefer-set-operation"
 description: "prefer character class set operations instead of lookarounds"
+since: "v2.0.0-next.9"
 ---
 # regexp/prefer-set-operation
 
@@ -40,7 +41,7 @@ Nothing.
 
 ## :rocket: Version
 
-:exclamation: <badge text="This rule has not been released yet." vertical="middle" type="error"> ***This rule has not been released yet.*** </badge>
+This rule was introduced in eslint-plugin-regexp v2.0.0-next.9
 
 ## :mag: Implementation
 
diff --git a/package.json b/package.json
index 849f1b49e..419135ce0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "eslint-plugin-regexp",
-    "version": "2.0.0-next.8",
+    "version": "2.0.0-next.9",
     "description": "ESLint plugin for finding RegExp mistakes and RegExp style guide violations.",
     "engines": {
         "node": "^18 || >=20"