diff --git a/.github/workflows/update-plugin-list.yml b/.github/workflows/update-plugin-list.yml
index 252c6ddb..bdef0e34 100644
--- a/.github/workflows/update-plugin-list.yml
+++ b/.github/workflows/update-plugin-list.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install packaging requests tabulate[widechars] tqdm
+          pip install packaging httpx tabulate[widechars] tqdm
 
       - name: Update Plugin List
         run: python scripts/update_plugin_list.py
diff --git a/docs/source/changes.md b/docs/source/changes.md
index 5416f1f0..1f4c3470 100644
--- a/docs/source/changes.md
+++ b/docs/source/changes.md
@@ -40,6 +40,7 @@ releases are available on [PyPI](https://pypi.org/project/pytask) and
   the value whose state is `None`.
 - {pull}`594` publishes `NodeLoadError`.
 - {pull}`596` add project management with rye.
+- {pull}`598` replaces requests with httpx.
 
 ## 0.4.7 - 2024-03-19
 
diff --git a/docs/source/developers_guide.md b/docs/source/developers_guide.md
index 1a987b0c..fbd06b77 100644
--- a/docs/source/developers_guide.md
+++ b/docs/source/developers_guide.md
@@ -9,7 +9,7 @@ number of open file descriptors on Unix systems, which causes some tests and the
 the test suite to fail. If that happens, increase the limit with the following command.
 
 ```console
-$ ulimit -n 4096
+ulimit -n 4096
 ```
 
 ## How to release
diff --git a/docs/source/how_to_guides/remote_files.md b/docs/source/how_to_guides/remote_files.md
index 6125af9c..f43bd84c 100644
--- a/docs/source/how_to_guides/remote_files.md
+++ b/docs/source/how_to_guides/remote_files.md
@@ -73,9 +73,9 @@ file as the ETag. If the file changes, so does the ETag, and pytask will detect
 Many files on the web do not provide an ETag like this version of the iris dataset.
 
 ```pycon
->>> import requests
+>>> import httpx
 >>> url = "https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data"
->>> r = requests.head(url)
+>>> r = httpx.head(url)
 >>> r.headers
 {'Server': 'nginx/1.25.3', 'Date': 'Sun, 10 Dec 2023 23:59:21 GMT', 'Connection': 'keep-alive'}
 ```
diff --git a/pyproject.toml b/pyproject.toml
index 5fcd58d4..7af629bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,9 +68,7 @@ test = [
   "pytest-cov",
   "pytest-xdist",
   "syrupy",
-  # For HTTPPath tests.
   "aiohttp",
-  "requests",
 ]
 
 [project.urls]
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 6b0a2800..df7f9104 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -8,10 +8,6 @@
 #   with-sources: false
 
 -e file:.
-aiohttp==3.9.4
-    # via pytask
-aiosignal==1.3.1
-    # via aiohttp
 alabaster==0.7.16
     # via sphinx
 apeye==1.4.1
@@ -21,7 +17,6 @@ apeye-core==1.1.5
 asttokens==2.4.1
     # via stack-data
 attrs==23.2.0
-    # via aiohttp
     # via jsonschema
     # via pytask
     # via referencing
@@ -91,9 +86,6 @@ filelock==3.13.4
     # via sphinx-toolbox
 fonttools==4.51.0
     # via matplotlib
-frozenlist==1.4.1
-    # via aiohttp
-    # via aiosignal
 fsspec==2024.3.1
     # via universal-pathlib
 furo==2024.1.29
@@ -105,7 +97,6 @@ html5lib==1.1
 idna==3.7
     # via apeye-core
     # via requests
-    # via yarl
 imagesize==1.4.1
     # via sphinx
 iniconfig==2.0.0
@@ -160,9 +151,6 @@ mistune==3.0.2
     # via nbconvert
 msgpack==1.0.8
     # via cachecontrol
-multidict==6.0.5
-    # via aiohttp
-    # via yarl
 myst-parser==2.0.0
     # via pytask
 natsort==8.4.0
@@ -258,7 +246,6 @@ referencing==0.34.0
 requests==2.31.0
     # via apeye
     # via cachecontrol
-    # via pytask
     # via sphinx
 rich==13.7.1
     # via pytask
@@ -364,5 +351,3 @@ webencodings==0.5.1
     # via bleach
     # via html5lib
     # via tinycss2
-yarl==1.9.4
-    # via aiohttp
diff --git a/requirements.lock b/requirements.lock
index 6b0a2800..df7f9104 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -8,10 +8,6 @@
 #   with-sources: false
 
 -e file:.
-aiohttp==3.9.4
-    # via pytask
-aiosignal==1.3.1
-    # via aiohttp
 alabaster==0.7.16
     # via sphinx
 apeye==1.4.1
@@ -21,7 +17,6 @@ apeye-core==1.1.5
 asttokens==2.4.1
     # via stack-data
 attrs==23.2.0
-    # via aiohttp
     # via jsonschema
     # via pytask
     # via referencing
@@ -91,9 +86,6 @@ filelock==3.13.4
     # via sphinx-toolbox
 fonttools==4.51.0
     # via matplotlib
-frozenlist==1.4.1
-    # via aiohttp
-    # via aiosignal
 fsspec==2024.3.1
     # via universal-pathlib
 furo==2024.1.29
@@ -105,7 +97,6 @@ html5lib==1.1
 idna==3.7
     # via apeye-core
     # via requests
-    # via yarl
 imagesize==1.4.1
     # via sphinx
 iniconfig==2.0.0
@@ -160,9 +151,6 @@ mistune==3.0.2
     # via nbconvert
 msgpack==1.0.8
     # via cachecontrol
-multidict==6.0.5
-    # via aiohttp
-    # via yarl
 myst-parser==2.0.0
     # via pytask
 natsort==8.4.0
@@ -258,7 +246,6 @@ referencing==0.34.0
 requests==2.31.0
     # via apeye
     # via cachecontrol
-    # via pytask
     # via sphinx
 rich==13.7.1
     # via pytask
@@ -364,5 +351,3 @@ webencodings==0.5.1
     # via bleach
     # via html5lib
     # via tinycss2
-yarl==1.9.4
-    # via aiohttp
diff --git a/scripts/update_plugin_list.py b/scripts/update_plugin_list.py
index cab04e18..56050e25 100644
--- a/scripts/update_plugin_list.py
+++ b/scripts/update_plugin_list.py
@@ -37,8 +37,8 @@
 from textwrap import indent
 from typing import Generator
 
+import httpx
 import packaging.version
-import requests
 import tabulate
 import wcwidth
 from tqdm import tqdm
@@ -87,7 +87,7 @@ def _escape_rst(text: str) -> str:
 def _iter_plugins() -> Generator[dict[str, str], None, None]:  # noqa: C901
     """Iterate over all plugins and format entries."""
     regex = r">([\d\w-]*)</a>"
-    response = requests.get("https://pypi.org/simple", timeout=20)
+    response = httpx.get("https://pypi.org/simple", timeout=20)
 
     matches = [
         match
@@ -98,7 +98,7 @@ def _iter_plugins() -> Generator[dict[str, str], None, None]:  # noqa: C901
 
     for match in tqdm(matches, smoothing=0):
         name = match.groups()[0]
-        response = requests.get(f"https://pypi.org/pypi/{name}/json", timeout=20)
+        response = httpx.get(f"https://pypi.org/pypi/{name}/json", timeout=20)
         if response.status_code == 404:  # noqa: PLR2004
             # Some packages might return a 404.
             continue
diff --git a/tests/test_execute.py b/tests/test_execute.py
index e74b5dc2..d92ce186 100644
--- a/tests/test_execute.py
+++ b/tests/test_execute.py
@@ -1141,3 +1141,24 @@ def create_file() -> Annotated[Path, path]:
     assert "3  Collected task" in result.output
     assert "1  Succeeded" in result.output
     assert "2  Skipped because unchanged" in result.output
+
+
+@pytest.mark.end_to_end()
+def test_download_file(runner, tmp_path):
+    source = """
+    from pathlib import Path
+    from typing_extensions import Annotated
+    from upath import UPath
+
+    url = UPath(
+        "https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data"
+    )
+
+    def task_download_file(path: UPath = url) -> Annotated[str, Path("data.csv")]:
+        return path.read_text()
+    """
+    tmp_path.joinpath("task_module.py").write_text(textwrap.dedent(source))
+
+    result = runner.invoke(cli, [tmp_path.as_posix()])
+    assert result.exit_code == ExitCode.OK
+    assert "1  Succeeded" in result.output