diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 88715309e..7846441e7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -398,7 +398,8 @@ jobs:
       - name: Generate licenses.json
         shell: bash
         run: |
-          python generate_licenses.py > engine_manifest_assets/dependency_licenses.json
+          OUTPUT_LICENSE_JSON_PATH=engine_manifest_assets/dependency_licenses.json \
+          bash build_util/create_venv_and_generate_licenses.bash
           # FIXME: VOICEVOX (editor) cannot build without licenses.json
           cp engine_manifest_assets/dependency_licenses.json licenses.json
 
diff --git a/README.md b/README.md
index 3e1f75643..85627425c 100644
--- a/README.md
+++ b/README.md
@@ -456,9 +456,10 @@ poetry update `パッケージ名`
 poetry update # 全部更新
 
 # requirements.txtの更新
-poetry export --without-hashes -o requirements.txt # こちらを更新する場合は下２つも更新する必要があります。
+poetry export --without-hashes -o requirements.txt # こちらを更新する場合は下３つも更新する必要があります。
 poetry export --without-hashes --with dev -o requirements-dev.txt
 poetry export --without-hashes --with test -o requirements-test.txt
+poetry export --without-hashes --with license -o requirements-license.txt
 ```
 
 ### ライセンス
diff --git a/build_util/codesign.bash b/build_util/codesign.bash
index 72ea0f5b5..f8f79f99c 100644
--- a/build_util/codesign.bash
+++ b/build_util/codesign.bash
@@ -2,11 +2,11 @@
 
 set -eu
 
-if [ -v "${CERT_BASE64}" ]; then
+if [ ! -v CERT_BASE64 ]; then
     echo "CERT_BASE64が未定義です"
     exit 1
 fi
-if [ -v "${CERT_PASSWORD}" ]; then
+if [ ! -v CERT_PASSWORD ]; then
     echo "CERT_PASSWORDが未定義です"
     exit 1
 fi
diff --git a/build_util/create_venv_and_generate_licenses.bash b/build_util/create_venv_and_generate_licenses.bash
new file mode 100644
index 000000000..e3293f078
--- /dev/null
+++ b/build_util/create_venv_and_generate_licenses.bash
@@ -0,0 +1,20 @@
+# 仮想環境を作ってrequirements.txtをインストールし、ライセンス一覧を生成する
+
+set -eux
+
+if [ ! -v OUTPUT_LICENSE_JSON_PATH ]; then
+    echo "OUTPUT_LICENSE_JSON_PATHが未定義です"
+    exit 1
+fi
+
+VENV_PATH="licenses_venv"
+
+python -m venv $VENV_PATH
+source $VENV_PATH/bin/activate
+
+pip install -r requirements-license.txt
+python generate_licenses.py >$OUTPUT_LICENSE_JSON_PATH
+
+deactivate
+
+rm -rf $VENV_PATH
diff --git a/build_util/process_voicevox_resource.bash b/build_util/process_voicevox_resource.bash
index 7f95e6fcc..dcf8b2303 100644
--- a/build_util/process_voicevox_resource.bash
+++ b/build_util/process_voicevox_resource.bash
@@ -1,6 +1,6 @@
 set -eux
 
-if [ -v "${DOWNLOAD_RESOURCE_PATH}" ]; then
+if [ ! -v DOWNLOAD_RESOURCE_PATH ]; then
     echo "DOWNLOAD_RESOURCE_PATHが未定義です"
     exit 1
 fi
diff --git a/poetry.lock b/poetry.lock
index 7a3fbda23..e1df2115e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2529,4 +2529,4 @@ testing = ["flake8 (<5)", "func-timeout", "jaraco.functools", "jaraco.itertools"
 [metadata]
 lock-version = "2.0"
 python-versions = "~3.8"
-content-hash = "e365a537798b7d41f813c38a7398dd4cdac74c88461b00097efbe7e921caa85b"
+content-hash = "e4a1cfc336b0406d1779f3027d65187e74982c9ac329c784410584da97e55227"
diff --git a/pyproject.toml b/pyproject.toml
index dc12ee79a..a3ea308a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,6 @@ pyopenjtalk = {git = "https://github.com/VOICEVOX/pyopenjtalk", rev = "f4ade29ef
 [tool.poetry.group.dev.dependencies]
 cython = "^0.29.24"
 pyinstaller = "^5.3"
-pip-licenses = "^3.5.3"
 pre-commit = "^2.16.0"
 atomicwrites = "^1.4.0"
 colorama = "^0.4.4"
@@ -67,6 +66,12 @@ pysen = {version = "~0", extras = ["lint"]}
 pytest = "^6.2.5"
 coveralls = "^3.2.0"
 
+[tool.poetry.group.license]
+optional = true
+
+[tool.poetry.group.license.dependencies]
+pip-licenses = "^3.5.3"
+
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
diff --git a/requirements-dev.txt b/requirements-dev.txt
index eef7710c5..529e0235c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -42,7 +42,6 @@ numpy==1.20.0 ; python_version >= "3.8" and python_version < "3.9"
 packaging==22.0 ; python_version >= "3.8" and python_version < "3.9"
 pefile==2022.5.30 ; python_version >= "3.8" and python_version < "3.9" and sys_platform == "win32"
 pexpect==4.8.0 ; python_version >= "3.8" and python_version < "3.9"
-pip-licenses==3.5.5 ; python_version >= "3.8" and python_version < "3.9"
 pkginfo==1.9.4 ; python_version >= "3.8" and python_version < "3.9"
 pkgutil-resolve-name==1.3.10 ; python_version >= "3.8" and python_version < "3.9"
 platformdirs==2.6.2 ; python_version >= "3.8" and python_version < "3.9"
@@ -50,7 +49,6 @@ poetry-core==1.4.0 ; python_version >= "3.8" and python_version < "3.9"
 poetry-plugin-export==1.2.0 ; python_version >= "3.8" and python_version < "3.9"
 poetry==1.3.1 ; python_version >= "3.8" and python_version < "3.9"
 pre-commit==2.16.0 ; python_version >= "3.8" and python_version < "3.9"
-ptable==0.9.2 ; python_version >= "3.8" and python_version < "3.9"
 ptyprocess==0.7.0 ; python_version >= "3.8" and python_version < "3.9"
 pycparser==2.21 ; python_version >= "3.8" and python_version < "3.9"
 pydantic==1.10.2 ; python_version >= "3.8" and python_version < "3.9"
diff --git a/requirements-license.txt b/requirements-license.txt
new file mode 100644
index 000000000..cbf29e014
--- /dev/null
+++ b/requirements-license.txt
@@ -0,0 +1,34 @@
+aiofiles==0.7.0 ; python_version >= "3.8" and python_version < "3.9"
+anyio==3.6.2 ; python_version >= "3.8" and python_version < "3.9"
+appdirs==1.4.4 ; python_version >= "3.8" and python_version < "3.9"
+asgiref==3.6.0 ; python_version >= "3.8" and python_version < "3.9"
+certifi==2022.12.7 ; python_version >= "3.8" and python_version < "3.9"
+cffi==1.15.1 ; python_version >= "3.8" and python_version < "3.9"
+charset-normalizer==2.1.1 ; python_version >= "3.8" and python_version < "3.9"
+click==8.0.4 ; python_version >= "3.8" and python_version < "3.9"
+colorama==0.4.4 ; python_version >= "3.8" and python_version < "3.9" and platform_system == "Windows"
+cython==0.29.24 ; python_version >= "3.8" and python_version < "3.9"
+fastapi==0.70.0 ; python_version >= "3.8" and python_version < "3.9"
+h11==0.14.0 ; python_version >= "3.8" and python_version < "3.9"
+idna==3.4 ; python_version >= "3.8" and python_version < "3.9"
+jinja2==3.1.2 ; python_version >= "3.8" and python_version < "3.9"
+markupsafe==2.1.1 ; python_version >= "3.8" and python_version < "3.9"
+numpy==1.20.0 ; python_version >= "3.8" and python_version < "3.9"
+pip-licenses==3.5.5 ; python_version >= "3.8" and python_version < "3.9"
+ptable==0.9.2 ; python_version >= "3.8" and python_version < "3.9"
+pycparser==2.21 ; python_version >= "3.8" and python_version < "3.9"
+pydantic==1.10.2 ; python_version >= "3.8" and python_version < "3.9"
+pyopenjtalk @ git+https://github.com/VOICEVOX/pyopenjtalk@f4ade29ef9a4f43d8605103cb5bacc29e0b2ccae ; python_version >= "3.8" and python_version < "3.9"
+python-multipart==0.0.5 ; python_version >= "3.8" and python_version < "3.9"
+pyworld==0.3.0 ; python_version >= "3.8" and python_version < "3.9"
+pyyaml==6.0 ; python_version >= "3.8" and python_version < "3.9"
+requests==2.28.1 ; python_version >= "3.8" and python_version < "3.9"
+scipy==1.7.1 ; python_version >= "3.8" and python_version < "3.9"
+six==1.16.0 ; python_version >= "3.8" and python_version < "3.9"
+sniffio==1.3.0 ; python_version >= "3.8" and python_version < "3.9"
+soundfile==0.10.3.post1 ; python_version >= "3.8" and python_version < "3.9"
+starlette==0.16.0 ; python_version >= "3.8" and python_version < "3.9"
+tqdm==4.64.1 ; python_version >= "3.8" and python_version < "3.9"
+typing-extensions==4.4.0 ; python_version >= "3.8" and python_version < "3.9"
+urllib3==1.26.13 ; python_version >= "3.8" and python_version < "3.9"
+uvicorn==0.15.0 ; python_version >= "3.8" and python_version < "3.9"