diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9534f0db..954feeab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.6...3.14)
 message(STATUS "CMake version: " ${CMAKE_VERSION})
 project(TeNeS CXX)
-set(TENES_VERSION 1.3.3)
+set(TENES_VERSION 1.3.4)
 
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
diff --git a/docs/sphinx/en/about/info.rst b/docs/sphinx/en/about/info.rst
index 66473c93..db57e11f 100644
--- a/docs/sphinx/en/about/info.rst
+++ b/docs/sphinx/en/about/info.rst
@@ -19,6 +19,7 @@ TeNeS is developed by the following members.
 Version information
 ======================
 
+- ver. 1.3.4: 2023-09-13.
 - ver. 1.3.3: 2023-07-14.
 - ver. 1.3.2: 2023-06-08.
 - ver. 1.3.1: 2022-10-21.
diff --git a/docs/sphinx/en/conf.py b/docs/sphinx/en/conf.py
index b280e15b..28b7f6ae 100644
--- a/docs/sphinx/en/conf.py
+++ b/docs/sphinx/en/conf.py
@@ -57,7 +57,7 @@
 # The short X.Y version.
 version = u'1.3'
 # The full version, including alpha/beta/rc tags.
-release = u'1.3.3'
+release = u'1.3.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/sphinx/ja/about/info.rst b/docs/sphinx/ja/about/info.rst
index a270394b..18246b33 100644
--- a/docs/sphinx/ja/about/info.rst
+++ b/docs/sphinx/ja/about/info.rst
@@ -19,6 +19,7 @@ TeNeS は以下のメンバーで開発しています。
 バージョン履歴
 ==================
 
+- ver. 1.3.4: 2023-09-13 にリリース。
 - ver. 1.3.3: 2023-07-14 にリリース。
 - ver. 1.3.2: 2023-06-08 にリリース。
 - ver. 1.3.1: 2022-10-21 にリリース。
diff --git a/docs/sphinx/ja/conf.py b/docs/sphinx/ja/conf.py
index ceb5894c..636d7e37 100644
--- a/docs/sphinx/ja/conf.py
+++ b/docs/sphinx/ja/conf.py
@@ -57,7 +57,7 @@
 # The short X.Y version.
 version = u'1.3'
 # The full version, including alpha/beta/rc tags.
-release = u'1.3.3'
+release = u'1.3.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/misc/make_archive.sh b/misc/make_archive.sh
index 5aaeeed1..3f823e05 100644
--- a/misc/make_archive.sh
+++ b/misc/make_archive.sh
@@ -27,7 +27,7 @@ for lang in ja en; do
 done
 cd $ROOT_DIR
 
-version=1.4-dev
+version=1.3.4
 
 git submodule update -i -r
 git-archive-all \
diff --git a/tool/tenes_simple.py b/tool/tenes_simple.py
index 0461518d..bbb872e2 100644
--- a/tool/tenes_simple.py
+++ b/tool/tenes_simple.py
@@ -1349,7 +1349,7 @@ def tenes_simple(
         help="Save onsite terms as site Hamiltonians",
     )
     parser.add_argument(
-        "-v", "--version", dest="version", action="version", version="1.3.3"
+        "-v", "--version", dest="version", action="version", version="1.3.4"
     )
 
     args = parser.parse_args()
diff --git a/tool/tenes_std.py b/tool/tenes_std.py
index a4216657..af32ea51 100644
--- a/tool/tenes_std.py
+++ b/tool/tenes_std.py
@@ -993,7 +993,7 @@ def to_toml(self, f: TextIO):
         "-o", "--output", dest="output", default="input.toml", help="Output TOML file"
     )
     parser.add_argument(
-        "-v", "--version", dest="version", action="version", version="1.3.3"
+        "-v", "--version", dest="version", action="version", version="1.3.4"
     )
 
     args = parser.parse_args()