diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3115b067..3ebad252 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "7.8.1"
+  ".": "7.8.2"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e249e38..e7ee8ad4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [7.8.2](https://github.com/npm/node-semver/compare/v7.8.1...v7.8.2) (2026-06-04)
+### Bug Fixes
+* [`bea6028`](https://github.com/npm/node-semver/commit/bea6028694a75e840f48b288ac019e9644cfe6e8) [#870](https://github.com/npm/node-semver/pull/870) increment dotted prerelease identifiers (#870) (@liuzemei, @SheldonNeo)
+
 ## [7.8.1](https://github.com/npm/node-semver/compare/v7.8.0...v7.8.1) (2026-05-21)
 ### Bug Fixes
 * [`17aa702`](https://github.com/npm/node-semver/commit/17aa702d91166472b197a2ea768f085083bee2e4) [#869](https://github.com/npm/node-semver/pull/869) strip build metadata before comparator trimming (#869) (@owlstronaut)
diff --git a/classes/semver.js b/classes/semver.js
index 92254be1..54381272 100644
--- a/classes/semver.js
+++ b/classes/semver.js
@@ -6,6 +6,22 @@ const { safeRe: re, t } = require('../internal/re')
 
 const parseOptions = require('../internal/parse-options')
 const { compareIdentifiers } = require('../internal/identifiers')
+
+const isPrereleaseIdentifier = (prerelease, identifier) => {
+  const identifiers = identifier.split('.')
+  if (identifiers.length > prerelease.length) {
+    return false
+  }
+
+  for (let i = 0; i < identifiers.length; i++) {
+    if (compareIdentifiers(prerelease[i], identifiers[i]) !== 0) {
+      return false
+    }
+  }
+
+  return true
+}
+
 class SemVer {
   constructor (version, options) {
     options = parseOptions(options)
@@ -309,8 +325,9 @@ class SemVer {
           if (identifierBase === false) {
             prerelease = [identifier]
           }
-          if (compareIdentifiers(this.prerelease[0], identifier) === 0) {
-            if (isNaN(this.prerelease[1])) {
+          if (isPrereleaseIdentifier(this.prerelease, identifier)) {
+            const prereleaseBase = this.prerelease[identifier.split('.').length]
+            if (isNaN(prereleaseBase)) {
               this.prerelease = prerelease
             }
           } else {
diff --git a/package.json b/package.json
index 6edb9ab4..bcb65da6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "semver",
-  "version": "7.8.1",
+  "version": "7.8.2",
   "description": "The semantic version parser used by npm.",
   "main": "index.js",
   "scripts": {
diff --git a/test/fixtures/increments.js b/test/fixtures/increments.js
index bcb582ab..31ea6974 100644
--- a/test/fixtures/increments.js
+++ b/test/fixtures/increments.js
@@ -31,6 +31,9 @@ module.exports = [
   ['1.2.3-alpha.10.beta.0', 'prerelease', '1.2.3-alpha.10.beta.1'],
   ['1.2.3-alpha.10.beta.1', 'prerelease', '1.2.3-alpha.10.beta.2'],
   ['1.2.3-alpha.10.beta.2', 'prerelease', '1.2.3-alpha.10.beta.3'],
+  ['3.0.0-alpha.beta.5.4', 'prerelease', '3.0.0-alpha.beta.5.5', false, 'alpha.beta'],
+  ['3.0.0-alpha.beta.5.4', 'prerelease', '3.0.0-alpha.beta.5.5', false, 'alpha.beta.5'],
+  ['3.0.0-alpha.beta.gamma', 'prerelease', '3.0.0-alpha.beta.0', false, 'alpha.beta'],
   ['1.2.3-alpha.9.beta', 'prerelease', '1.2.3-alpha.10.beta'],
   ['1.2.3-alpha.10.beta', 'prerelease', '1.2.3-alpha.11.beta'],
   ['1.2.3-alpha.11.beta', 'prerelease', '1.2.3-alpha.12.beta'],
@@ -77,6 +80,9 @@ module.exports = [
   ['1.2.3-alpha.10.beta.0', 'prerelease', '1.2.3-alpha.10.beta.1', false, 'alpha'],
   ['1.2.3-alpha.10.beta.1', 'prerelease', '1.2.3-alpha.10.beta.2', false, 'alpha'],
   ['1.2.3-alpha.10.beta.2', 'prerelease', '1.2.3-alpha.10.beta.3', false, 'alpha'],
+  ['3.0.0-alpha.beta.5.4', 'prerelease', '3.0.0-alpha.beta.5.5', false, 'alpha.beta'],
+  ['3.0.0-alpha.beta.5.4', 'prerelease', '3.0.0-alpha.beta.5.5', false, 'alpha.beta.5'],
+  ['3.0.0-alpha.beta.gamma', 'prerelease', '3.0.0-alpha.beta.0', false, 'alpha.beta'],
   ['1.2.3-alpha.9.beta', 'prerelease', '1.2.3-dev.0', false, 'dev'],
   ['1.2.3-alpha.9.beta', 'prerelease', '1.2.3-alpha.10.beta', false, 'alpha'],
   ['1.2.3-alpha.10.beta', 'prerelease', '1.2.3-alpha.11.beta', false, 'alpha'],