diff --git a/poetry.lock b/poetry.lock
index dd2fa13..89925b3 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -29,7 +29,7 @@ typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.9\""}
 name = "anyio"
 version = "4.2.0"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
-optional = true
+optional = false
 python-versions = ">=3.8"
 files = [
     {file = "anyio-4.2.0-py3-none-any.whl", hash = "sha256:745843b39e829e108e518c489b31dc757de7d2131d53fac32bd8df268227bfee"},
@@ -562,7 +562,7 @@ numpy = "*"
 name = "exceptiongroup"
 version = "1.2.0"
 description = "Backport of PEP 654 (exception groups)"
-optional = true
+optional = false
 python-versions = ">=3.7"
 files = [
     {file = "exceptiongroup-1.2.0-py3-none-any.whl", hash = "sha256:4bfd3996ac73b41e9b9628b04e079f193850720ea5945fc96a08633c66912f14"},
@@ -611,13 +611,58 @@ pyflakes = ">=2.3.0,<2.4.0"
 name = "h11"
 version = "0.14.0"
 description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
-optional = true
+optional = false
 python-versions = ">=3.7"
 files = [
     {file = "h11-0.14.0-py3-none-any.whl", hash = "sha256:e3fe4ac4b851c468cc8363d500db52c2ead036020723024a109d37346efaa761"},
     {file = "h11-0.14.0.tar.gz", hash = "sha256:8f19fbbe99e72420ff35c00b27a34cb9937e902a8b810e2c88300c6f0a3b699d"},
 ]
 
+[[package]]
+name = "httpcore"
+version = "1.0.2"
+description = "A minimal low-level HTTP client."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "httpcore-1.0.2-py3-none-any.whl", hash = "sha256:096cc05bca73b8e459a1fc3dcf585148f63e534eae4339559c9b8a8d6399acc7"},
+    {file = "httpcore-1.0.2.tar.gz", hash = "sha256:9fc092e4799b26174648e54b74ed5f683132a464e95643b226e00c2ed2fa6535"},
+]
+
+[package.dependencies]
+certifi = "*"
+h11 = ">=0.13,<0.15"
+
+[package.extras]
+asyncio = ["anyio (>=4.0,<5.0)"]
+http2 = ["h2 (>=3,<5)"]
+socks = ["socksio (==1.*)"]
+trio = ["trio (>=0.22.0,<0.23.0)"]
+
+[[package]]
+name = "httpx"
+version = "0.26.0"
+description = "The next generation HTTP client."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "httpx-0.26.0-py3-none-any.whl", hash = "sha256:8915f5a3627c4d47b73e8202457cb28f1266982d1159bd5779d86a80c0eab1cd"},
+    {file = "httpx-0.26.0.tar.gz", hash = "sha256:451b55c30d5185ea6b23c2c793abf9bb237d2a7dfb901ced6ff69ad37ec1dfaf"},
+]
+
+[package.dependencies]
+anyio = "*"
+certifi = "*"
+httpcore = "==1.*"
+idna = "*"
+sniffio = "*"
+
+[package.extras]
+brotli = ["brotli", "brotlicffi"]
+cli = ["click (==8.*)", "pygments (==2.*)", "rich (>=10,<14)"]
+http2 = ["h2 (>=3,<5)"]
+socks = ["socksio (==1.*)"]
+
 [[package]]
 name = "idna"
 version = "3.6"
@@ -1734,7 +1779,7 @@ files = [
 name = "sniffio"
 version = "1.3.0"
 description = "Sniff out which async library your code is running under"
-optional = true
+optional = false
 python-versions = ">=3.7"
 files = [
     {file = "sniffio-1.3.0-py3-none-any.whl", hash = "sha256:eecefdce1e5bbfb7ad2eeaabf7c1eeb404d7757c379bd1f7e5cce9d8bf425384"},
@@ -2132,4 +2177,4 @@ sudachi = ["sudachidict-core", "sudachipy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8.0"
-content-hash = "0fbe155dfd48ae7d0824ea70b65b316c41d350a1557bcc72f36d5ac5fc640ec2"
+content-hash = "f960e721f2a3dccf7d0a659e9b3244d4223966f8e56a6cfde0d01e176629ea7f"
diff --git a/pyproject.toml b/pyproject.toml
index b542e27..3fcb88d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,7 @@ mypy = "^0.812"
 black = "^19.10b0"
 ipython = "^7.16.3"
 isort = "^5.5.3"
+httpx = "<1.0.0"
 
 [tool.poetry.extras]
 janome = ["janome"]