diff --git a/.changeset/clean-socks-think.md b/.changeset/clean-socks-think.md
deleted file mode 100644
index a48efb5..0000000
--- a/.changeset/clean-socks-think.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@vivliostyle/theme-base": patch
----
-
-Fix cases where both the chapter and part page counters are set
diff --git a/.changeset/cuddly-years-smile.md b/.changeset/cuddly-years-smile.md
deleted file mode 100644
index 398938f..0000000
--- a/.changeset/cuddly-years-smile.md
+++ /dev/null
@@ -1,9 +0,0 @@
----
-"@vivliostyle/theme-academic": major
-"@vivliostyle/theme-bunko": major
-"@vivliostyle/theme-gutenberg": major
-"@vivliostyle/theme-slide": major
-"@vivliostyle/theme-techbook": major
----
-
-Update @vivliostyle/theme-base to v2.0.0
diff --git a/.changeset/curvy-windows-push.md b/.changeset/curvy-windows-push.md
deleted file mode 100644
index a5e9004..0000000
--- a/.changeset/curvy-windows-push.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@vivliostyle/theme-base": patch
----
-
-Update the CSS selector that specifies particular languages
diff --git a/.changeset/hip-parrots-rush.md b/.changeset/hip-parrots-rush.md
deleted file mode 100644
index 7c08a75..0000000
--- a/.changeset/hip-parrots-rush.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@vivliostyle/theme-base": patch
----
-
-Don't increment `vs-counter-doc` for ToC/cover documents
diff --git a/.changeset/neat-windows-exist.md b/.changeset/neat-windows-exist.md
deleted file mode 100644
index 6595e60..0000000
--- a/.changeset/neat-windows-exist.md
+++ /dev/null
@@ -1,11 +0,0 @@
----
-"@vivliostyle/theme-base": minor
----
-
-Add variables to override the initial counter value at the document root.
-
-The following CSS variables are supported:
-
-- `--vs-crossref--root-counter-{fig|tbl|cite}`
-- `--vs-footnote--root-counter-footnote`
-- `--vs-section--root-counter-{sections|sec-h1|sec-h2|sec-h3|sec-h4|sec-h5|sec-h6}`
diff --git a/.changeset/tender-lemons-worry.md b/.changeset/tender-lemons-worry.md
deleted file mode 100644
index c9e1a8f..0000000
--- a/.changeset/tender-lemons-worry.md
+++ /dev/null
@@ -1,8 +0,0 @@
----
-"@vivliostyle/theme-base": major
----
-
-Update the displaying content of ToC markers
-
-- The default value of `--vs-toc--marker-content` has been changed
-- Added `--vs-toc--marker-padding-inline-end` to replace `--vs-toc--anchor-text-indent`
diff --git a/.changeset/violet-bobcats-repeat.md b/.changeset/violet-bobcats-repeat.md
deleted file mode 100644
index e5486a0..0000000
--- a/.changeset/violet-bobcats-repeat.md
+++ /dev/null
@@ -1,8 +0,0 @@
----
-"@vivliostyle/theme-epub3j": minor
----
-
-Update EPUB3-Japanese Theme
-
-- EPUB TOC requires ordered list
-- text-spacing-trim and hanging-punctuation setting
diff --git a/.changeset/wicked-guests-wash.md b/.changeset/wicked-guests-wash.md
deleted file mode 100644
index 455a245..0000000
--- a/.changeset/wicked-guests-wash.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@vivliostyle/theme-base": major
----
-
-The default value of `--vs-section--call-content` has been changed in the Japanese language environment
diff --git a/README.md b/README.md
index 038385b..32882b7 100644
--- a/README.md
+++ b/README.md
@@ -10,12 +10,12 @@
 - [Create a theme](#create-a-theme)
 - [Official Themes](#official-themes)
   - [Vivliostyle Base Theme](#vivliostyle-base-theme)
-  - [Academic](#academic)
   - [Techbook](#techbook)
-  - [Bunko](#bunko)
+  - [Academic](#academic)
   - [EPUB3 (Japanese)](#epub3-japanese)
-  - [Slide](#slide)
+  - [Bunko](#bunko)
   - [Gutenberg](#gutenberg)
+  - [Slide](#slide)
 - [Tools](#tools)
   - [create-vivliostyle-theme](#create-vivliostyle-theme)
   - [vivliostyle-theme-scripts](#vivliostyle-theme-scripts)
@@ -53,22 +53,6 @@ module.exports = {
 
 > original author: `Vivliostyle <mail@vivliostyle.org>`
 
-### [Academic](packages/@vivliostyle/theme-academic)
-
-Academic theme
-
-[![](https://img.shields.io/npm/v/@vivliostyle/theme-academic.svg)](https://npmjs.com/package/@vivliostyle/theme-academic)
-[![npm: total downloads](https://flat.badgen.net/npm/dt/@vivliostyle/theme-academic)](https://npmjs.com/package/@vivliostyle/theme-academic)
-![npm: license](https://flat.badgen.net/npm/license/@vivliostyle/theme-academic)
-
-```js
-module.exports = {
-  theme: '@vivliostyle/theme-academic',
-};
-```
-
-> original author: `Vivliostyle <mail@vivliostyle.org>`
-
 ### [Techbook](packages/@vivliostyle/theme-techbook)
 
 Techbook (技術同人誌) theme
@@ -85,17 +69,17 @@ module.exports = {
 
 > original author: `Vivliostyle <mail@vivliostyle.org>`
 
-### [Bunko](packages/@vivliostyle/theme-bunko)
+### [Academic](packages/@vivliostyle/theme-academic)
 
-文庫用のテーマ
+Academic theme
 
-[![](https://img.shields.io/npm/v/@vivliostyle/theme-bunko.svg)](https://npmjs.com/package/@vivliostyle/theme-bunko)
-[![npm: total downloads](https://flat.badgen.net/npm/dt/@vivliostyle/theme-bunko)](https://npmjs.com/package/@vivliostyle/theme-bunko)
-![npm: license](https://flat.badgen.net/npm/license/@vivliostyle/theme-bunko)
+[![](https://img.shields.io/npm/v/@vivliostyle/theme-academic.svg)](https://npmjs.com/package/@vivliostyle/theme-academic)
+[![npm: total downloads](https://flat.badgen.net/npm/dt/@vivliostyle/theme-academic)](https://npmjs.com/package/@vivliostyle/theme-academic)
+![npm: license](https://flat.badgen.net/npm/license/@vivliostyle/theme-academic)
 
 ```js
 module.exports = {
-  theme: '@vivliostyle/theme-bunko',
+  theme: '@vivliostyle/theme-academic',
 };
 ```
 
@@ -117,17 +101,17 @@ module.exports = {
 
 > original author: `Vivliostyle <mail@vivliostyle.org>`
 
-### [Slide](packages/@vivliostyle/theme-slide)
+### [Bunko](packages/@vivliostyle/theme-bunko)
 
-Slide theme
+文庫用のテーマ
 
-[![](https://img.shields.io/npm/v/@vivliostyle/theme-slide.svg)](https://npmjs.com/package/@vivliostyle/theme-slide)
-[![npm: total downloads](https://flat.badgen.net/npm/dt/@vivliostyle/theme-slide)](https://npmjs.com/package/@vivliostyle/theme-slide)
-![npm: license](https://flat.badgen.net/npm/license/@vivliostyle/theme-slide)
+[![](https://img.shields.io/npm/v/@vivliostyle/theme-bunko.svg)](https://npmjs.com/package/@vivliostyle/theme-bunko)
+[![npm: total downloads](https://flat.badgen.net/npm/dt/@vivliostyle/theme-bunko)](https://npmjs.com/package/@vivliostyle/theme-bunko)
+![npm: license](https://flat.badgen.net/npm/license/@vivliostyle/theme-bunko)
 
 ```js
 module.exports = {
-  theme: '@vivliostyle/theme-slide',
+  theme: '@vivliostyle/theme-bunko',
 };
 ```
 
@@ -149,6 +133,22 @@ module.exports = {
 
 > original author: `Vivliostyle <mail@vivliostyle.org>`
 
+### [Slide](packages/@vivliostyle/theme-slide)
+
+Slide theme
+
+[![](https://img.shields.io/npm/v/@vivliostyle/theme-slide.svg)](https://npmjs.com/package/@vivliostyle/theme-slide)
+[![npm: total downloads](https://flat.badgen.net/npm/dt/@vivliostyle/theme-slide)](https://npmjs.com/package/@vivliostyle/theme-slide)
+![npm: license](https://flat.badgen.net/npm/license/@vivliostyle/theme-slide)
+
+```js
+module.exports = {
+  theme: '@vivliostyle/theme-slide',
+};
+```
+
+> original author: `Vivliostyle <mail@vivliostyle.org>`
+
 ## Tools
 
 ### [create-vivliostyle-theme](packages/create-vivliostyle-theme)
diff --git a/packages/@vivliostyle/theme-academic/CHANGELOG.md b/packages/@vivliostyle/theme-academic/CHANGELOG.md
index ffcf553..39e9c7d 100644
--- a/packages/@vivliostyle/theme-academic/CHANGELOG.md
+++ b/packages/@vivliostyle/theme-academic/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @vivliostyle/theme-academic
 
+## 2.0.0
+
+### Major Changes
+
+- [`0de1a1f`](https://github.com/vivliostyle/themes/commit/0de1a1fd702250a54c03831acd4050e45e0416ea) Thanks [@spring-raining](https://github.com/spring-raining)! - Update @vivliostyle/theme-base to v2.0.0
+
+### Patch Changes
+
+- Updated dependencies [[`22b8286`](https://github.com/vivliostyle/themes/commit/22b8286ea5b28532a1cacd4a49a4aff2a886e9ee), [`3d61446`](https://github.com/vivliostyle/themes/commit/3d614466d159744f05beed15f9164c036c841934), [`fc5f428`](https://github.com/vivliostyle/themes/commit/fc5f428477a74e52614e9201148df2046ddc8d8b), [`18ed51a`](https://github.com/vivliostyle/themes/commit/18ed51aea1248c440d1d77b2fab46450844dbbfd), [`2c59a27`](https://github.com/vivliostyle/themes/commit/2c59a27b14b3f7c721ba1f4a9bf78e3f1fea4e10), [`f7ff164`](https://github.com/vivliostyle/themes/commit/f7ff164f1df5c077c12a644c0b591631cafc4f41)]:
+  - @vivliostyle/theme-base@2.0.0
+
 ## 1.0.1
 
 ### Patch Changes
diff --git a/packages/@vivliostyle/theme-academic/package.json b/packages/@vivliostyle/theme-academic/package.json
index a062e94..ec46ff8 100644
--- a/packages/@vivliostyle/theme-academic/package.json
+++ b/packages/@vivliostyle/theme-academic/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/theme-academic",
   "description": "Academic theme",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "author": "Vivliostyle <mail@vivliostyle.org>",
   "main": "theme.css",
   "scripts": {
@@ -10,7 +10,7 @@
     "validate": "vivliostyle-theme-scripts validate"
   },
   "dependencies": {
-    "@vivliostyle/theme-base": "^1.0.1"
+    "@vivliostyle/theme-base": "^2.0.0"
   },
   "devDependencies": {
     "@vivliostyle/cli": ">=7",
diff --git a/packages/@vivliostyle/theme-base/CHANGELOG.md b/packages/@vivliostyle/theme-base/CHANGELOG.md
index c069961..23dad86 100644
--- a/packages/@vivliostyle/theme-base/CHANGELOG.md
+++ b/packages/@vivliostyle/theme-base/CHANGELOG.md
@@ -1,5 +1,34 @@
 # @vivliostyle/theme-base
 
+## 2.0.0
+
+### Major Changes
+
+- [#132](https://github.com/vivliostyle/themes/pull/132) [`2c59a27`](https://github.com/vivliostyle/themes/commit/2c59a27b14b3f7c721ba1f4a9bf78e3f1fea4e10) Thanks [@spring-raining](https://github.com/spring-raining)! - Update the displaying content of ToC markers
+
+  - The default value of `--vs-toc--marker-content` has been changed
+  - Added `--vs-toc--marker-padding-inline-end` to replace `--vs-toc--anchor-text-indent`
+
+- [#132](https://github.com/vivliostyle/themes/pull/132) [`f7ff164`](https://github.com/vivliostyle/themes/commit/f7ff164f1df5c077c12a644c0b591631cafc4f41) Thanks [@spring-raining](https://github.com/spring-raining)! - The default value of `--vs-section--call-content` has been changed in the Japanese language environment
+
+### Minor Changes
+
+- [#133](https://github.com/vivliostyle/themes/pull/133) [`18ed51a`](https://github.com/vivliostyle/themes/commit/18ed51aea1248c440d1d77b2fab46450844dbbfd) Thanks [@spring-raining](https://github.com/spring-raining)! - Add variables to override the initial counter value at the document root.
+
+  The following CSS variables are supported:
+
+  - `--vs-crossref--root-counter-{fig|tbl|cite}`
+  - `--vs-footnote--root-counter-footnote`
+  - `--vs-section--root-counter-{sections|sec-h1|sec-h2|sec-h3|sec-h4|sec-h5|sec-h6}`
+
+### Patch Changes
+
+- [#133](https://github.com/vivliostyle/themes/pull/133) [`22b8286`](https://github.com/vivliostyle/themes/commit/22b8286ea5b28532a1cacd4a49a4aff2a886e9ee) Thanks [@spring-raining](https://github.com/spring-raining)! - Fix cases where both the chapter and part page counters are set
+
+- [#132](https://github.com/vivliostyle/themes/pull/132) [`3d61446`](https://github.com/vivliostyle/themes/commit/3d614466d159744f05beed15f9164c036c841934) Thanks [@spring-raining](https://github.com/spring-raining)! - Update the CSS selector that specifies particular languages
+
+- [#133](https://github.com/vivliostyle/themes/pull/133) [`fc5f428`](https://github.com/vivliostyle/themes/commit/fc5f428477a74e52614e9201148df2046ddc8d8b) Thanks [@spring-raining](https://github.com/spring-raining)! - Don't increment `vs-counter-doc` for ToC/cover documents
+
 ## 1.0.1
 
 ### Patch Changes
diff --git a/packages/@vivliostyle/theme-base/package.json b/packages/@vivliostyle/theme-base/package.json
index 7f4c17b..cfd38e4 100644
--- a/packages/@vivliostyle/theme-base/package.json
+++ b/packages/@vivliostyle/theme-base/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/theme-base",
   "description": "Base theme and CSS toolkit for Vivliostyle themes",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "author": "Vivliostyle <mail@vivliostyle.org>",
   "main": "theme-all.css",
   "scripts": {
diff --git a/packages/@vivliostyle/theme-bunko/CHANGELOG.md b/packages/@vivliostyle/theme-bunko/CHANGELOG.md
index 797644b..8998813 100644
--- a/packages/@vivliostyle/theme-bunko/CHANGELOG.md
+++ b/packages/@vivliostyle/theme-bunko/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @vivliostyle/theme-bunko
 
+## 2.0.0
+
+### Major Changes
+
+- [`0de1a1f`](https://github.com/vivliostyle/themes/commit/0de1a1fd702250a54c03831acd4050e45e0416ea) Thanks [@spring-raining](https://github.com/spring-raining)! - Update @vivliostyle/theme-base to v2.0.0
+
+### Patch Changes
+
+- Updated dependencies [[`22b8286`](https://github.com/vivliostyle/themes/commit/22b8286ea5b28532a1cacd4a49a4aff2a886e9ee), [`3d61446`](https://github.com/vivliostyle/themes/commit/3d614466d159744f05beed15f9164c036c841934), [`fc5f428`](https://github.com/vivliostyle/themes/commit/fc5f428477a74e52614e9201148df2046ddc8d8b), [`18ed51a`](https://github.com/vivliostyle/themes/commit/18ed51aea1248c440d1d77b2fab46450844dbbfd), [`2c59a27`](https://github.com/vivliostyle/themes/commit/2c59a27b14b3f7c721ba1f4a9bf78e3f1fea4e10), [`f7ff164`](https://github.com/vivliostyle/themes/commit/f7ff164f1df5c077c12a644c0b591631cafc4f41)]:
+  - @vivliostyle/theme-base@2.0.0
+
 ## 1.0.1
 
 ### Patch Changes
diff --git a/packages/@vivliostyle/theme-bunko/package.json b/packages/@vivliostyle/theme-bunko/package.json
index fc36dce..1a767a3 100644
--- a/packages/@vivliostyle/theme-bunko/package.json
+++ b/packages/@vivliostyle/theme-bunko/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/theme-bunko",
   "description": "文庫用のテーマ",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "author": "Vivliostyle <mail@vivliostyle.org>",
   "main": "theme.css",
   "scripts": {
@@ -10,7 +10,7 @@
     "validate": "vivliostyle-theme-scripts validate"
   },
   "dependencies": {
-    "@vivliostyle/theme-base": "^1.0.1"
+    "@vivliostyle/theme-base": "^2.0.0"
   },
   "devDependencies": {
     "@vivliostyle/cli": ">=7",
diff --git a/packages/@vivliostyle/theme-epub3j/CHANGELOG.md b/packages/@vivliostyle/theme-epub3j/CHANGELOG.md
index 474f98b..e1d463e 100644
--- a/packages/@vivliostyle/theme-epub3j/CHANGELOG.md
+++ b/packages/@vivliostyle/theme-epub3j/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @vivliostyle/theme-epub3j
 
+## 1.1.0
+
+### Minor Changes
+
+- [#136](https://github.com/vivliostyle/themes/pull/136) [`e0edca3`](https://github.com/vivliostyle/themes/commit/e0edca37e41919d874a26808537fe2aa14538e57) Thanks [@MurakamiShinyu](https://github.com/MurakamiShinyu)! - Update EPUB3-Japanese Theme
+
+  - EPUB TOC requires ordered list
+  - text-spacing-trim and hanging-punctuation setting
+
 ## 1.0.1
 
 ### Patch Changes
diff --git a/packages/@vivliostyle/theme-epub3j/package.json b/packages/@vivliostyle/theme-epub3j/package.json
index 5b1faf7..835dbe8 100644
--- a/packages/@vivliostyle/theme-epub3j/package.json
+++ b/packages/@vivliostyle/theme-epub3j/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/theme-epub3j",
   "description": "EPUB3 (Japanese) 日本語EPUB用テーマ（電書協EPUB3制作ガイド準拠）",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "author": "Vivliostyle <mail@vivliostyle.org>",
   "main": "theme.css",
   "scripts": {
diff --git a/packages/@vivliostyle/theme-gutenberg/CHANGELOG.md b/packages/@vivliostyle/theme-gutenberg/CHANGELOG.md
index 8128414..30c48ff 100644
--- a/packages/@vivliostyle/theme-gutenberg/CHANGELOG.md
+++ b/packages/@vivliostyle/theme-gutenberg/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @vivliostyle/theme-gutenberg
 
+## 2.0.0
+
+### Major Changes
+
+- [`0de1a1f`](https://github.com/vivliostyle/themes/commit/0de1a1fd702250a54c03831acd4050e45e0416ea) Thanks [@spring-raining](https://github.com/spring-raining)! - Update @vivliostyle/theme-base to v2.0.0
+
+### Patch Changes
+
+- Updated dependencies [[`22b8286`](https://github.com/vivliostyle/themes/commit/22b8286ea5b28532a1cacd4a49a4aff2a886e9ee), [`3d61446`](https://github.com/vivliostyle/themes/commit/3d614466d159744f05beed15f9164c036c841934), [`fc5f428`](https://github.com/vivliostyle/themes/commit/fc5f428477a74e52614e9201148df2046ddc8d8b), [`18ed51a`](https://github.com/vivliostyle/themes/commit/18ed51aea1248c440d1d77b2fab46450844dbbfd), [`2c59a27`](https://github.com/vivliostyle/themes/commit/2c59a27b14b3f7c721ba1f4a9bf78e3f1fea4e10), [`f7ff164`](https://github.com/vivliostyle/themes/commit/f7ff164f1df5c077c12a644c0b591631cafc4f41)]:
+  - @vivliostyle/theme-base@2.0.0
+
 ## 1.0.1
 
 ### Patch Changes
diff --git a/packages/@vivliostyle/theme-gutenberg/package.json b/packages/@vivliostyle/theme-gutenberg/package.json
index e9afe1b..47e98e4 100644
--- a/packages/@vivliostyle/theme-gutenberg/package.json
+++ b/packages/@vivliostyle/theme-gutenberg/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/theme-gutenberg",
   "description": "Book theme for latin font",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "author": "Vivliostyle <mail@vivliostyle.org>",
   "main": "theme.css",
   "scripts": {
@@ -10,7 +10,7 @@
     "validate": "vivliostyle-theme-scripts validate"
   },
   "dependencies": {
-    "@vivliostyle/theme-base": "^1.0.1"
+    "@vivliostyle/theme-base": "^2.0.0"
   },
   "devDependencies": {
     "@vivliostyle/cli": ">=7",
diff --git a/packages/@vivliostyle/theme-slide/CHANGELOG.md b/packages/@vivliostyle/theme-slide/CHANGELOG.md
index 9f8d6a3..f1f7cd1 100644
--- a/packages/@vivliostyle/theme-slide/CHANGELOG.md
+++ b/packages/@vivliostyle/theme-slide/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @vivliostyle/theme-slide
 
+## 2.0.0
+
+### Major Changes
+
+- [`0de1a1f`](https://github.com/vivliostyle/themes/commit/0de1a1fd702250a54c03831acd4050e45e0416ea) Thanks [@spring-raining](https://github.com/spring-raining)! - Update @vivliostyle/theme-base to v2.0.0
+
+### Patch Changes
+
+- Updated dependencies [[`22b8286`](https://github.com/vivliostyle/themes/commit/22b8286ea5b28532a1cacd4a49a4aff2a886e9ee), [`3d61446`](https://github.com/vivliostyle/themes/commit/3d614466d159744f05beed15f9164c036c841934), [`fc5f428`](https://github.com/vivliostyle/themes/commit/fc5f428477a74e52614e9201148df2046ddc8d8b), [`18ed51a`](https://github.com/vivliostyle/themes/commit/18ed51aea1248c440d1d77b2fab46450844dbbfd), [`2c59a27`](https://github.com/vivliostyle/themes/commit/2c59a27b14b3f7c721ba1f4a9bf78e3f1fea4e10), [`f7ff164`](https://github.com/vivliostyle/themes/commit/f7ff164f1df5c077c12a644c0b591631cafc4f41)]:
+  - @vivliostyle/theme-base@2.0.0
+
 ## 1.0.1
 
 ### Patch Changes
diff --git a/packages/@vivliostyle/theme-slide/package.json b/packages/@vivliostyle/theme-slide/package.json
index 33e2b90..2d07d9f 100644
--- a/packages/@vivliostyle/theme-slide/package.json
+++ b/packages/@vivliostyle/theme-slide/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/theme-slide",
   "description": "Slide theme",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "author": "Vivliostyle <mail@vivliostyle.org>",
   "main": "theme.css",
   "scripts": {
@@ -10,7 +10,7 @@
     "validate": "vivliostyle-theme-scripts validate"
   },
   "dependencies": {
-    "@vivliostyle/theme-base": "^1.0.1"
+    "@vivliostyle/theme-base": "^2.0.0"
   },
   "devDependencies": {
     "@vivliostyle/cli": ">=7",
diff --git a/packages/@vivliostyle/theme-techbook/CHANGELOG.md b/packages/@vivliostyle/theme-techbook/CHANGELOG.md
index 22bdcf9..9338bc6 100644
--- a/packages/@vivliostyle/theme-techbook/CHANGELOG.md
+++ b/packages/@vivliostyle/theme-techbook/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @vivliostyle/theme-techbook
 
+## 2.0.0
+
+### Major Changes
+
+- [`0de1a1f`](https://github.com/vivliostyle/themes/commit/0de1a1fd702250a54c03831acd4050e45e0416ea) Thanks [@spring-raining](https://github.com/spring-raining)! - Update @vivliostyle/theme-base to v2.0.0
+
+### Patch Changes
+
+- Updated dependencies [[`22b8286`](https://github.com/vivliostyle/themes/commit/22b8286ea5b28532a1cacd4a49a4aff2a886e9ee), [`3d61446`](https://github.com/vivliostyle/themes/commit/3d614466d159744f05beed15f9164c036c841934), [`fc5f428`](https://github.com/vivliostyle/themes/commit/fc5f428477a74e52614e9201148df2046ddc8d8b), [`18ed51a`](https://github.com/vivliostyle/themes/commit/18ed51aea1248c440d1d77b2fab46450844dbbfd), [`2c59a27`](https://github.com/vivliostyle/themes/commit/2c59a27b14b3f7c721ba1f4a9bf78e3f1fea4e10), [`f7ff164`](https://github.com/vivliostyle/themes/commit/f7ff164f1df5c077c12a644c0b591631cafc4f41)]:
+  - @vivliostyle/theme-base@2.0.0
+
 ## 1.0.1
 
 ### Patch Changes
diff --git a/packages/@vivliostyle/theme-techbook/package.json b/packages/@vivliostyle/theme-techbook/package.json
index 6852ec6..f17bf79 100644
--- a/packages/@vivliostyle/theme-techbook/package.json
+++ b/packages/@vivliostyle/theme-techbook/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vivliostyle/theme-techbook",
   "description": "Techbook (技術同人誌) theme",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "author": "Vivliostyle <mail@vivliostyle.org>",
   "main": "theme.css",
   "scripts": {
@@ -10,7 +10,7 @@
     "validate": "vivliostyle-theme-scripts validate"
   },
   "dependencies": {
-    "@vivliostyle/theme-base": "^1.0.1"
+    "@vivliostyle/theme-base": "^2.0.0"
   },
   "devDependencies": {
     "@vivliostyle/cli": ">=7",