diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index 4138888..e345239 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -35,17 +35,17 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
           - "3.14"
+          - "3.15"
 
     steps:
       - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v2
 
       - name: Set up Python
         uses: actions/setup-python@v7
@@ -144,7 +144,7 @@ jobs:
           PYO3_USE_ABI3_FORWARD_COMPATIBILITY: "1"
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out dist -i python3.10 -i python3.11 -i python3.12 -i python3.13 -i python3.14
+          args: --release --out dist -i python3.10 -i python3.11 -i python3.12 -i python3.13 -i python3.14 -i python3.15
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           manylinux: manylinux_2_28
           before-script-linux: |
@@ -200,7 +200,7 @@ jobs:
           PYO3_USE_ABI3_FORWARD_COMPATIBILITY: "1"
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out dist -i python3.10 -i python3.11 -i python3.12 -i python3.13 -i python3.14
+          args: --release --out dist -i python3.10 -i python3.11 -i python3.12 -i python3.13 -i python3.14 -i python3.15
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           manylinux: musllinux_1_2
           before-script-linux: |
diff --git a/.github/workflows/rust-tests.yml b/.github/workflows/rust-tests.yml
index 46bf3eb..5300acc 100644
--- a/.github/workflows/rust-tests.yml
+++ b/.github/workflows/rust-tests.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v2
 
       - name: Check formatting
         run: cargo fmt --all -- --check
@@ -51,7 +51,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v2
 
       - name: Cache OpenSSL build
         uses: actions/cache@v6
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 599bd49..778c7be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.10.1
+
+- Python 3.15 support: PyO3 0.30, and 3.15 wheels are published
+- CI tests 3.11 through 3.15; 3.10 wheels are still published but no longer tested
+- Dependency updates (brotli 9, hyper 1.12, tokio 1.53.3, and others)
+
 ## 0.10.0
 
 - Cookies set on a redirect hop are applied to the hops that follow it, the way a browser does. What a chain collects lives for that one request, so nothing carries between requests
diff --git a/Cargo.lock b/Cargo.lock
index 287229c..0e0a141 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,15 +10,15 @@ checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
 [[package]]
 name = "alloc-no-stdlib"
-version = "2.0.4"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc7bb162ec39d46ab1ca8c77bf72e890535becd1751bb45f64c597edb4c8c6b3"
+checksum = "c2fb6cfd47bf496ff64095c20eaba0c201404ee38714d4142fcfa1dc334fcc7a"
 
 [[package]]
 name = "alloc-stdlib"
-version = "0.2.2"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94fb8275041c72129eb51b7d0322c29b8387a0386127718b096429201a5d6ece"
+checksum = "0b5c1865780388bfa186411ab5f247819487fc4864c6e9c3106611fa347586e1"
 dependencies = [
  "alloc-no-stdlib",
 ]
@@ -79,17 +79,11 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
-[[package]]
-name = "autocfg"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
-
 [[package]]
 name = "base64"
-version = "0.22.1"
+version = "0.23.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+checksum = "ac07cdecf99051d9a5238b80f35af32cdeba5b336e55d957b318b50137e18da5"
 
 [[package]]
 name = "bitflags"
@@ -99,7 +93,7 @@ checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3"
 
 [[package]]
 name = "blasthttp"
-version = "0.10.0"
+version = "0.10.1"
 dependencies = [
  "brotli",
  "bytes",
@@ -126,9 +120,9 @@ dependencies = [
 
 [[package]]
 name = "brotli"
-version = "8.0.4"
+version = "9.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cc91aac060a7a1e25823bdccbfb6af1875b88f17c6daac97894eed8207166b3"
+checksum = "f8b851b75c23ca7873623d612fe49bd1989aeb03d08fb9432187eb253d3d4c6b"
 dependencies = [
  "alloc-no-stdlib",
  "alloc-stdlib",
@@ -137,9 +131,9 @@ dependencies = [
 
 [[package]]
 name = "brotli-decompressor"
-version = "5.0.0"
+version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "874bb8112abecc98cbd6d81ea4fa7e94fb9449648c93cc89aa40c81c24d7de03"
+checksum = "46087801e40b785410c352bee60e9b6226312709cf52d5fff92776cdf5cf6490"
 dependencies = [
  "alloc-no-stdlib",
  "alloc-stdlib",
@@ -169,9 +163,9 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "clap"
-version = "4.6.6"
+version = "4.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "473c7e07f409a8d772161724aa8db6a765a2532a70f9667eeb7b49d3d02fbdca"
+checksum = "aa8876b300ab35ba921adea3dfd70157a46249b33f95c9084ae5709785478946"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -179,9 +173,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.6.6"
+version = "4.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b48fea5a88e9ae728a2dcbedbfc0e730f7d60da42e1cb049a83c9fb8b789889"
+checksum = "ec0797fb7aeb1406c84efac526901f7ec3ead2124f946b494e72879d4b54704d"
 dependencies = [
  "anstream",
  "anstyle",
@@ -191,9 +185,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.6.4"
+version = "4.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d012d2b9d65aca7f18f4d9878a045bc17899bba951561ba5ec3c2ba1eed9a061"
+checksum = "f9c751b79415d4e559e3d1fcf128e09e720eb673a06d26cf6f392d37d75b66e0"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -425,9 +419,9 @@ checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
 
 [[package]]
 name = "hyper"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d22053281f852e11534f5198498373cbb59295120a20771d90f7ed1897490a72"
+checksum = "2c3e324da4c95177d6291d4c8730197c0d1822f8a9766814a4a44fa5ab797c9c"
 dependencies = [
  "atomic-waker",
  "bytes",
@@ -446,9 +440,9 @@ dependencies = [
 
 [[package]]
 name = "hyper-util"
-version = "0.1.20"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
+checksum = "ddc03d96684f9226b8a787cdb71488417b53ab5ea8fdb1dac946cb9431cc8bff"
 dependencies = [
  "base64",
  "bytes",
@@ -456,6 +450,7 @@ dependencies = [
  "futures-util",
  "http",
  "http-body",
+ "httparse",
  "hyper",
  "ipnet",
  "libc",
@@ -477,15 +472,6 @@ dependencies = [
  "hashbrown",
 ]
 
-[[package]]
-name = "indoc"
-version = "2.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79cf5c93f93228cf8efb3ba362535fb11199ac548a09ce117c9b1adc3030d706"
-dependencies = [
- "rustversion",
-]
-
 [[package]]
 name = "ipnet"
 version = "2.12.0"
@@ -516,15 +502,6 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
-[[package]]
-name = "memoffset"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "miniz_oxide"
 version = "0.8.9"
@@ -636,9 +613,9 @@ dependencies = [
 
 [[package]]
 name = "psl"
-version = "2.1.224"
+version = "2.1.241"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6fd4be744906217175e617ecbaff30e1d4574954e5ab2ad6ac0fead0e9abc3a"
+checksum = "c7319b480e204d67e759cad7886178335d26324c7c8573c126cc9dfa7350d064"
 dependencies = [
  "psl-types",
 ]
@@ -651,28 +628,26 @@ checksum = "33cb294fe86a74cbcf50d4445b37da762029549ebeea341421c7c70370f86cac"
 
 [[package]]
 name = "pyo3"
-version = "0.27.2"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab53c047fcd1a1d2a8820fe84f05d6be69e9526be40cb03b73f86b6b03e6d87d"
+checksum = "229ca13b8a15bb0d1487b81ab975bfcd97513416499a8312011b6036e42e0de4"
 dependencies = [
- "indoc",
  "libc",
- "memoffset",
  "once_cell",
  "portable-atomic",
  "pyo3-build-config",
  "pyo3-ffi",
  "pyo3-macros",
- "unindent",
 ]
 
 [[package]]
 name = "pyo3-async-runtimes"
-version = "0.27.0"
+version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57ddb5b570751e93cc6777e81fee8087e59cd53b5043292f2a6d59d5bd80fdfd"
+checksum = "b877331c7817ccb6379e9d19a06993160141f1d0a386e55276128717df85e3fc"
 dependencies = [
- "futures",
+ "futures-channel",
+ "futures-util",
  "once_cell",
  "pin-project-lite",
  "pyo3",
@@ -682,29 +657,29 @@ dependencies = [
 
 [[package]]
 name = "pyo3-async-runtimes-macros"
-version = "0.27.0"
+version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcd7d70ee0ca1661c40407e6f84e4463ef2658c90a9e2fbbd4515b2bcdfcaeca"
+checksum = "607580b0e30d9c612372a35e0c1bf38c4ad3a8774625c6256ed67555e93373c5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 3.0.3",
 ]
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.27.2"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b455933107de8642b4487ed26d912c2d899dec6114884214a0b3bb3be9261ea6"
+checksum = "70130e2b6dd1ee589a8788026a429561ca5c40fa7a2fa7914c2282eddae24700"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.27.2"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c85c9cbfaddf651b1221594209aed57e9e5cff63c4d11d1feead529b872a089"
+checksum = "5e7ff73c555c286d212d4ce7e5fbda845a973c4f61bd5f160f5f2c3c2a04d1c4"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -712,27 +687,26 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.27.2"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a5b10c9bf9888125d917fb4d2ca2d25c8df94c7ab5a52e13313a07e050a3b02"
+checksum = "c46d2e5862c7bb8207e3b639f713dda3c499933444784154c11d013c5a691b60"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 2.0.117",
+ "syn 3.0.3",
 ]
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.27.2"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b51720d314836e53327f5871d4c0cfb4fb37cc2c4a11cc71907a86342c40f9"
+checksum = "38b89f066f2ae72a2aef52d1537ca2fcd104440ebfadee06e97aa90738a25b9b"
 dependencies = [
  "heck",
  "proc-macro2",
- "pyo3-build-config",
  "quote",
- "syn 2.0.117",
+ "syn 3.0.3",
 ]
 
 [[package]]
@@ -744,12 +718,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rustversion"
-version = "1.0.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
-
 [[package]]
 name = "serde"
 version = "1.0.229"
@@ -782,9 +750,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.151"
+version = "1.0.154"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c841b55ecdae098c80dcae9cf767f6f8a0c2cdb3416bbef72181df4d0fe73f14"
+checksum = "e7e9cc8b1b85264074fbcc02a88680c4096b1e47df8f739dceb03bf482f04bd6"
 dependencies = [
  "itoa",
  "memchr",
@@ -863,18 +831,18 @@ checksum = "adb6935a6f5c20170eeceb1a3835a49e12e19d792f6dd344ccc76a985ca5a6ca"
 
 [[package]]
 name = "thiserror"
-version = "2.0.20"
+version = "2.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec86235f5fcc2a73650310756d2ac5b138a5780bbbdfae3eeccec992c435ba4f"
+checksum = "09e52cb86a36cede5cb101bf8908837b3e4c6e5e59fe7fd85c23fb56200d189e"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.20"
+version = "2.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc04cd3e1236dd4a98afca4569f2deb3f120e5422a4023be2cb683f8486292af"
+checksum = "fe5197923287db20a58125f0bc85c062f7f2c892de97b18c356f9efb14b28524"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -883,9 +851,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.53.1"
+version = "1.53.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "202caea871b69668250d242070849eb495be178ed697a3e98aebce5bc81a0bed"
+checksum = "ce3335fa71841cda333a58d7615b03901380ecf09d59b3296d21f8bbac0dde4e"
 dependencies = [
  "bytes",
  "libc",
@@ -931,9 +899,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-test"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f6d24790a10a7af737693a3e8f1d03faef7e6ca0cc99aae5066f533766de545"
+checksum = "12bc5db7778a8e08ee255090861e0e7aac55e784300077e7ed293c7be36168b2"
 dependencies = [
  "futures-core",
  "tokio",
@@ -990,12 +958,6 @@ version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
 
-[[package]]
-name = "unindent"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7264e107f553ccae879d21fbea1d6724ac785e8c3bfc762137959b5802826ef3"
-
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
@@ -1010,9 +972,9 @@ checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
 [[package]]
 name = "want"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+checksum = "ec4cdd0dd910afe868b7ef477227d8d538b46b3075031afee8a9f2acb0a2ed0b"
 dependencies = [
  "try-lock",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index b9f6c69..cb5ed3f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "blasthttp"
-version = "0.10.0"
+version = "0.10.1"
 edition = "2024"
 description = "Offensive-first HTTP library with Python bindings"
 license = "AGPL-3.0"
@@ -44,7 +44,7 @@ http = "1"
 
 # Decompression
 flate2 = "1"
-brotli = "8"
+brotli = "9"
 
 # Public Suffix List — decides where a cookie's `Domain` stops being allowed
 # to widen. Without it `Domain=com` or `Domain=github.io` is accepted and the
@@ -64,8 +64,8 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 
 # Python bindings — optional, only when "python" feature is enabled
-pyo3 = { version = "0.27", features = ["extension-module"], optional = true }
-pyo3-async-runtimes = { version = "0.27", features = ["attributes", "tokio-runtime"], optional = true }
+pyo3 = { version = "0.30", features = ["extension-module"], optional = true }
+pyo3-async-runtimes = { version = "0.30", features = ["attributes", "tokio-runtime"], optional = true }
 
 [dev-dependencies]
 # TLS test server — uses our custom OpenSSL to serve with weak ciphers
diff --git a/pyproject.toml b/pyproject.toml
index 12dc4f9..a615868 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "blasthttp"
-version = "0.10.0"
+version = "0.10.1"
 description = "Offensive-first HTTP library"
 license = "AGPL-3.0"
 requires-python = ">=3.10"
@@ -20,7 +20,7 @@ managed = false
 dev = [
     "pytest>=8",
     "pytest-asyncio>=0.23",
-    "ruff==0.16.2",
+    "ruff==0.17.0",
 ]
 
 [tool.pytest.ini_options]
diff --git a/src/python.rs b/src/python.rs
index bfd05e8..48cf7ec 100644
--- a/src/python.rs
+++ b/src/python.rs
@@ -1373,7 +1373,7 @@ impl PyRawConnection {
 
 /// Per-request config for batch operations.
 /// Mirrors send() parameters but as a class for batch input.
-#[pyclass(name = "BatchConfig")]
+#[pyclass(name = "BatchConfig", from_py_object)]
 struct PyBatchConfig {
     #[pyo3(get, set)]
     url: String,
@@ -1569,7 +1569,7 @@ use crate::h2;
 /// Python-side Header with all permissiveness knobs exposed as
 /// optional keyword args. `str` values are UTF-8-encoded to `bytes`;
 /// callers wanting raw non-UTF8 bytes pass `bytes` directly.
-#[pyclass(name = "Header", module = "blasthttp.h2")]
+#[pyclass(name = "Header", module = "blasthttp.h2", from_py_object)]
 #[derive(Clone)]
 struct PyH2Header {
     inner: h2::Header,