diff --git a/end_to_end_tests/golden-record/pyproject.toml b/end_to_end_tests/golden-record/pyproject.toml
index 47e10cbce..2c7896e31 100644
--- a/end_to_end_tests/golden-record/pyproject.toml
+++ b/end_to_end_tests/golden-record/pyproject.toml
@@ -13,7 +13,7 @@ include = ["CHANGELOG.md", "my_test_api_client/py.typed"]
 
 [tool.poetry.dependencies]
 python = "^3.8"
-httpx = ">=0.20.0,<0.25.0"
+httpx = ">=0.20.0,<0.26.0"
 attrs = ">=21.3.0"
 python-dateutil = "^2.8.0"
 
diff --git a/integration-tests/poetry.lock b/integration-tests/poetry.lock
index 5fcd2f059..e2fd95432 100644
--- a/integration-tests/poetry.lock
+++ b/integration-tests/poetry.lock
@@ -88,13 +88,13 @@ files = [
 
 [[package]]
 name = "httpcore"
-version = "0.17.3"
+version = "0.18.0"
 description = "A minimal low-level HTTP client."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "httpcore-0.17.3-py3-none-any.whl", hash = "sha256:c2789b767ddddfa2a5782e3199b2b7f6894540b17b16ec26b2c4d8e103510b87"},
-    {file = "httpcore-0.17.3.tar.gz", hash = "sha256:a6f30213335e34c1ade7be6ec7c47f19f50c56db36abef1a9dfa3815b1cb3888"},
+    {file = "httpcore-0.18.0-py3-none-any.whl", hash = "sha256:adc5398ee0a476567bf87467063ee63584a8bce86078bf748e48754f60202ced"},
+    {file = "httpcore-0.18.0.tar.gz", hash = "sha256:13b5e5cd1dca1a6636a6aaea212b19f4f85cd88c366a2b82304181b769aab3c9"},
 ]
 
 [package.dependencies]
@@ -109,18 +109,18 @@ socks = ["socksio (==1.*)"]
 
 [[package]]
 name = "httpx"
-version = "0.24.1"
+version = "0.25.0"
 description = "The next generation HTTP client."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "httpx-0.24.1-py3-none-any.whl", hash = "sha256:06781eb9ac53cde990577af654bd990a4949de37a28bdb4a230d434f3a30b9bd"},
-    {file = "httpx-0.24.1.tar.gz", hash = "sha256:5853a43053df830c20f8110c5e69fe44d035d850b2dfe795e196f00fdb774bdd"},
+    {file = "httpx-0.25.0-py3-none-any.whl", hash = "sha256:181ea7f8ba3a82578be86ef4171554dd45fec26a02556a744db029a0a27b7100"},
+    {file = "httpx-0.25.0.tar.gz", hash = "sha256:47ecda285389cb32bb2691cc6e069e3ab0205956f681c5b2ad2325719751d875"},
 ]
 
 [package.dependencies]
 certifi = "*"
-httpcore = ">=0.15.0,<0.18.0"
+httpcore = ">=0.18.0,<0.19.0"
 idna = "*"
 sniffio = "*"
 
@@ -336,4 +336,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "d427ede8e0a0e883254783779969f5561fa786e4b1cc47a7dc6992471f6c3771"
+content-hash = "9fbeb101d10f852684dc0c7f9c2be53a5a88d46dcc168d322b3c9cbac6ec8bd5"
diff --git a/integration-tests/pyproject.toml b/integration-tests/pyproject.toml
index 851651e8d..8079f4692 100644
--- a/integration-tests/pyproject.toml
+++ b/integration-tests/pyproject.toml
@@ -11,7 +11,7 @@ include = ["CHANGELOG.md", "open_api_test_server_client/py.typed"]
 
 [tool.poetry.dependencies]
 python = "^3.8"
-httpx = ">=0.15.4,<0.25.0"
+httpx = ">=0.15.4,<0.26.0"
 attrs = ">=21.3.0"
 python-dateutil = "^2.8.0"
 
diff --git a/openapi_python_client/templates/pyproject.toml.jinja b/openapi_python_client/templates/pyproject.toml.jinja
index 8f9a8b18e..aa707fab1 100644
--- a/openapi_python_client/templates/pyproject.toml.jinja
+++ b/openapi_python_client/templates/pyproject.toml.jinja
@@ -14,7 +14,7 @@ include = ["CHANGELOG.md", "{{ package_name }}/py.typed"]
 
 [tool.poetry.dependencies]
 python = "^3.8"
-httpx = ">=0.20.0,<0.25.0"
+httpx = ">=0.20.0,<0.26.0"
 attrs = ">=21.3.0"
 python-dateutil = "^2.8.0"
 
diff --git a/openapi_python_client/templates/setup.py.jinja b/openapi_python_client/templates/setup.py.jinja
index 7d81f5116..956a66993 100644
--- a/openapi_python_client/templates/setup.py.jinja
+++ b/openapi_python_client/templates/setup.py.jinja
@@ -13,6 +13,6 @@ setup(
     long_description_content_type="text/markdown",
     packages=find_packages(),
     python_requires=">=3.8, <4",
-    install_requires=["httpx >= 0.20.0, < 0.25.0", "attrs >= 21.3.0", "python-dateutil >= 2.8.0, < 3"],
+    install_requires=["httpx >= 0.20.0, < 0.26.0", "attrs >= 21.3.0", "python-dateutil >= 2.8.0, < 3"],
     package_data={"{{ package_name }}": ["py.typed"]},
 )
diff --git a/poetry.lock b/poetry.lock
index a9a97bcd6..39cb44527 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -380,13 +380,13 @@ files = [
 
 [[package]]
 name = "httpcore"
-version = "0.17.3"
+version = "0.18.0"
 description = "A minimal low-level HTTP client."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "httpcore-0.17.3-py3-none-any.whl", hash = "sha256:c2789b767ddddfa2a5782e3199b2b7f6894540b17b16ec26b2c4d8e103510b87"},
-    {file = "httpcore-0.17.3.tar.gz", hash = "sha256:a6f30213335e34c1ade7be6ec7c47f19f50c56db36abef1a9dfa3815b1cb3888"},
+    {file = "httpcore-0.18.0-py3-none-any.whl", hash = "sha256:adc5398ee0a476567bf87467063ee63584a8bce86078bf748e48754f60202ced"},
+    {file = "httpcore-0.18.0.tar.gz", hash = "sha256:13b5e5cd1dca1a6636a6aaea212b19f4f85cd88c366a2b82304181b769aab3c9"},
 ]
 
 [package.dependencies]
@@ -401,18 +401,18 @@ socks = ["socksio (==1.*)"]
 
 [[package]]
 name = "httpx"
-version = "0.24.1"
+version = "0.25.0"
 description = "The next generation HTTP client."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "httpx-0.24.1-py3-none-any.whl", hash = "sha256:06781eb9ac53cde990577af654bd990a4949de37a28bdb4a230d434f3a30b9bd"},
-    {file = "httpx-0.24.1.tar.gz", hash = "sha256:5853a43053df830c20f8110c5e69fe44d035d850b2dfe795e196f00fdb774bdd"},
+    {file = "httpx-0.25.0-py3-none-any.whl", hash = "sha256:181ea7f8ba3a82578be86ef4171554dd45fec26a02556a744db029a0a27b7100"},
+    {file = "httpx-0.25.0.tar.gz", hash = "sha256:47ecda285389cb32bb2691cc6e069e3ab0205956f681c5b2ad2325719751d875"},
 ]
 
 [package.dependencies]
 certifi = "*"
-httpcore = ">=0.15.0,<0.18.0"
+httpcore = ">=0.18.0,<0.19.0"
 idna = "*"
 sniffio = "*"
 
@@ -1435,4 +1435,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "37aeefca058bfaa06854f6763f2828485bca3cfd0163f3133d6dab9cd29787cb"
+content-hash = "ee9ba2fcfeff5b870604f742359b92c7b9acd49576962b894732519f074caa46"
diff --git a/pyproject.toml b/pyproject.toml
index e342dc073..c52fae8bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ isort = "^5.0.5"
 pydantic = "^2.1.1"
 attrs = ">=21.3.0"
 python-dateutil = "^2.8.1"
-httpx = ">=0.20.0,<0.25.0"
+httpx = ">=0.20.0,<0.26.0"
 autoflake = "^1.4 || ^2.0.0"
 PyYAML = "^6.0"