diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8eb714e8..d7eda5bac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [2.26.0](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.9...v2.26.0) (2024-01-20)
+
+### Bug Fixes
+
+- set hanging-punctuation:none for pre-formatted text default style ([52d50c9](https://github.com/vivliostyle/vivliostyle.js/commit/52d50c95c05611c296839a7939204034b4ef8d52))
+- text-spacing-trim not working properly in some cases ([99b3af3](https://github.com/vivliostyle/vivliostyle.js/commit/99b3af3d78aba1491bc87d40ef6a8343aa901af9)), closes [#1251](https://github.com/vivliostyle/vivliostyle.js/issues/1251)
+
+### Features
+
+- Update CSS text-spacing-trim property to support the latest spec change ([114fd6d](https://github.com/vivliostyle/vivliostyle.js/commit/114fd6ded949e029ff3802ad758df88b29efd693)), closes [#1244](https://github.com/vivliostyle/vivliostyle.js/issues/1244)
+
 ## [2.25.9](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.8...v2.25.9) (2023-12-04)
 
 ### Bug Fixes
diff --git a/lerna.json b/lerna.json
index ee23b1baf..7c547135a 100644
--- a/lerna.json
+++ b/lerna.json
@@ -4,6 +4,6 @@
   ],
   "npmClient": "yarn",
   "useWorkspaces": true,
-  "version": "2.25.9",
+  "version": "2.26.0",
   "includeMergedTags": true
 }
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index ffe904bc3..34f272a74 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [2.26.0](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.9...v2.26.0) (2024-01-20)
+
+### Bug Fixes
+
+- set hanging-punctuation:none for pre-formatted text default style ([52d50c9](https://github.com/vivliostyle/vivliostyle.js/commit/52d50c95c05611c296839a7939204034b4ef8d52))
+- text-spacing-trim not working properly in some cases ([99b3af3](https://github.com/vivliostyle/vivliostyle.js/commit/99b3af3d78aba1491bc87d40ef6a8343aa901af9)), closes [#1251](https://github.com/vivliostyle/vivliostyle.js/issues/1251)
+
+### Features
+
+- Update CSS text-spacing-trim property to support the latest spec change ([114fd6d](https://github.com/vivliostyle/vivliostyle.js/commit/114fd6ded949e029ff3802ad758df88b29efd693)), closes [#1244](https://github.com/vivliostyle/vivliostyle.js/issues/1244)
+
 ## [2.25.9](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.8...v2.25.9) (2023-12-04)
 
 ### Bug Fixes
diff --git a/packages/core/package.json b/packages/core/package.json
index 0298bf292..b0392191a 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/core",
   "description": "Vivliostyle Core library for HTML+CSS typesetting with EPUB/Web publications support",
-  "version": "2.25.9",
+  "version": "2.26.0",
   "author": "Vivliostyle Foundation",
   "scripts": {
     "build": "microbundle --format cjs --define VIVLIOSTYLE_DEBUG=false",
diff --git a/packages/react/CHANGELOG.md b/packages/react/CHANGELOG.md
index 36fccddbd..29b187fa8 100644
--- a/packages/react/CHANGELOG.md
+++ b/packages/react/CHANGELOG.md
@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [2.26.0](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.9...v2.26.0) (2024-01-20)
+
+**Note:** Version bump only for package @vivliostyle/react
+
 ## [2.25.9](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.8...v2.25.9) (2023-12-04)
 
 **Note:** Version bump only for package @vivliostyle/react
diff --git a/packages/react/package.json b/packages/react/package.json
index eac2316a0..90b6ce9a9 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/react",
   "description": "React component for Vivliostyle",
-  "version": "2.25.9",
+  "version": "2.26.0",
   "author": "Yasuaki Uechi <y@uechi.io>",
   "scripts": {
     "build": "microbundle-crl --format modern,cjs && shx rm -rf dist/stories",
@@ -18,7 +18,7 @@
   "dependencies": {
     "@emotion/core": "^10.0.28",
     "@emotion/styled": "^10.0.27",
-    "@vivliostyle/core": "^2.25.9"
+    "@vivliostyle/core": "^2.26.0"
   },
   "peerDependencies": {
     "react": "^18.2.0",
diff --git a/packages/viewer/CHANGELOG.md b/packages/viewer/CHANGELOG.md
index d92ba64b1..667facfa9 100644
--- a/packages/viewer/CHANGELOG.md
+++ b/packages/viewer/CHANGELOG.md
@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [2.26.0](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.9...v2.26.0) (2024-01-20)
+
+**Note:** Version bump only for package @vivliostyle/viewer
+
 ## [2.25.9](https://github.com/vivliostyle/vivliostyle.js/compare/v2.25.8...v2.25.9) (2023-12-04)
 
 **Note:** Version bump only for package @vivliostyle/viewer
diff --git a/packages/viewer/package.json b/packages/viewer/package.json
index 967ded839..e3752a413 100644
--- a/packages/viewer/package.json
+++ b/packages/viewer/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/viewer",
   "description": "Vivliostyle Viewer - HTML+CSS typesetting and rich paged viewing with EPUB/Web publications support",
-  "version": "2.25.9",
+  "version": "2.26.0",
   "author": "Vivliostyle Foundation",
   "scripts": {
     "build": "gulp build && NODE_ENV=production rollup -c",
@@ -19,7 +19,7 @@
     "test-sauce": "echo 'Tests for Vivliostyle Viewer has been disabled. See #618.'"
   },
   "dependencies": {
-    "@vivliostyle/core": "^2.25.9",
+    "@vivliostyle/core": "^2.26.0",
     "i18next-ko": "^3.0.1",
     "knockout": "^3.5.0"
   },