diff --git a/.github/workflows/release-wheels.yml b/.github/workflows/release-wheels.yml
index 195fcbb8..a370eb98 100644
--- a/.github/workflows/release-wheels.yml
+++ b/.github/workflows/release-wheels.yml
@@ -18,7 +18,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  py-wheels-matrix:
+  py-generate-matrix:
     name: "generate build matrix"
     runs-on: ubuntu-latest
     if: >
@@ -34,59 +34,29 @@ jobs:
           contains(github.event.pull_request.labels.*.name, 'check-wheels')
       )
     outputs:
-      matrix: ${{ steps.make-matrix.outputs.matrix }}
+      wheels: ${{ steps.make-matrix-wheels.outputs.matrix }}
+      tests: ${{ steps.make-matrix-tests.outputs.matrix }}
     steps:
-      - id: make-matrix
-        shell: python
-        name: generate matrix
+      - id: download-matrix-scripts
+        name: retrieve matrix scripts
         run: |
-          import itertools
-          import json
-          import os
-          import pprint
-
-          builder = {
-              ('linux', 'x86_64'): 'ubuntu-latest',
-              ('linux', 'aarch64'): 'ubuntu-24.04-arm',
-              ('musllinux', 'x86_64'): 'ubuntu-latest',
-              ('musllinux', 'aarch64'): 'ubuntu-24.04-arm',
-              ('macos', 'x86_64'): 'macos-15-intel',
-              ('macos', 'aarch64'): 'macos-latest',
-              ('windows', 'x86_64'): 'windows-latest',
-              ('windows', 'aarch64'): 'windows-11-arm',
-          }
-
-          matrix = [
-              d
-              for d in map(dict, itertools.product(
-                  (('python-version', v) for v in ["3.x", "3.14t", "pypy-3.11", "graalpy-25"]),
-                  (('arch', a) for a in ["x86_64", "aarch64"]),
-                  (('platform', p) for p in ["linux", "musllinux", "windows", "macos"])
-              ))
-              # on windows, only cpython has arm builds (?)
-              if d['python-version'].startswith('3.') \
-              or d['platform'] != 'windows' \
-              or d['arch'] != 'aarch64'
-          ]
-          for job in matrix:
-              match job['platform']:
-                  case 'linux':
-                    job['manylinux'] = 'auto'
-                    job['args'] = ' --zig'  # use zig instead of docker for manylinux cross-builds (see #315)
-                  case 'mussllinux':
-                    job['manylinux'] = 'musllinux_1_2'
-
-              job['runs'] = builder[job['platform'], job['arch']]
-
-          with open(os.environ['GITHUB_OUTPUT'], 'w') as f:
-              f.write("matrix=")
-              json.dump({'include': matrix}, f)
-              f.flush()
-
+          curl -fsSL \
+              -O https://raw.githubusercontent.com/${{ github.repository }}/${{ github.sha }}/scripts/matrix-wheels.py \
+              -O https://raw.githubusercontent.com/${{ github.repository }}/${{ github.sha }}/scripts/matrix-tests.py
+      - id: make-matrix-wheels
+        name: generate wheels matrix
+        run: |
+          echo -n "matrix=" >> $GITHUB_OUTPUT
+          python3 matrix-wheels.py | tee -a $GITHUB_OUTPUT | jq "."
+      - id: make-matrix-tests
+        name: generate tests matrix
+        run: |
+          echo -n "matrix=" >> $GITHUB_OUTPUT
+          python3 matrix-tests.py | tee -a $GITHUB_OUTPUT | jq "."
   py-release-wheels:
-    needs: [py-wheels-matrix]
+    needs: [py-generate-matrix]
     strategy:
-      matrix: ${{fromJson(needs.py-wheels-matrix.outputs.matrix)}}
+      matrix: ${{ fromJson(needs.py-generate-matrix.outputs.wheels) }}
 
     runs-on: ${{ matrix.runs }}
 
@@ -97,8 +67,7 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
         with:
           python-version: ${{ matrix.python-version }}
-      # windows/arm doesn't have a rust toolchain by default
-      - if: matrix.platform == 'windows' && matrix.arch == 'aarch64'
+      - if: (matrix.setup-rust)
         uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
       - name: Build wheels
         uses: PyO3/maturin-action@e83996d129638aa358a18fbd1dfb82f0b0fb5d3b  # v1.51.0
@@ -109,7 +78,7 @@ jobs:
       - name: Upload wheels
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
         with:
-          name: ua-parser-rs-${{ matrix.platform }}-${{ matrix.arch }}-${{ matrix.python-version }}
+          name: ua-parser-rs-${{ matrix.platform }}-${{ matrix.arch }}-${{ matrix.python-version }}.whl
           path: dist/*
           retention-days: 1
           compression-level: 0
@@ -132,64 +101,9 @@ jobs:
           path: dist
 
   py-release-tests:
-    needs: py-release-wheels
-    
+    needs: [py-generate-matrix, py-release-wheels]
     strategy:
-      matrix:
-        python-version:
-          - "3.10"
-          - "3.11"
-          - "3.12"
-          - "3.13"
-          - "3.14"
-          - "3.14t"
-          - "pypy-3.11"
-          - "graalpy-25"
-        platform:
-          - linux
-          # probably requires a custom image of some sort
-          # - musllinux
-          - windows
-          - macos
-        arch:
-          - x86_64
-          - aarch64
-
-        exclude:
-          - platform: windows
-            python-version: 3.10
-            arch: aarch64
-          - platform: windows
-            arch: aarch64
-            python-version: pypy-3.11
-          - platform: windows
-            python-version: graalpy-25
-
-        include:
-          - wheel: "3.x"
-          - python-version: "3.14t"
-            wheel: "3.14t"
-          - python-version: "pypy-3.11"
-            wheel: "pypy-3.11"
-          - python-version: "graalpy-25"
-            wheel: "graalpy-25"
-
-          - runner: ubuntu-latest
-          - arch: aarch64
-            runner: ubuntu-24.04-arm
-          - platform: windows
-            runner: windows-latest
-          - platform: windows
-            arch: aarch64
-            runner: windows-11-arm
-          - platform: macos
-            runner: macos-latest
-          - platform: macos
-            arch: x86_64
-            runner: macos-15-intel
-          - opts: ""
-          - python-version: graalpy-25
-            opts: "--experimental-options --engine.CompileOnly='~tregex re'"
+      matrix: ${{ fromJson(needs.py-generate-matrix.outputs.tests) }}
 
     runs-on: ${{ matrix.runner }}
 
@@ -204,10 +118,11 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
+          freethreaded: ${{ endsWith(matrix.python-version, 't') }}
       - name: Retrieve wheel
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # 8.0.1
         with:
-          name: ua-parser-rs-${{ matrix.platform }}-${{ matrix.arch }}-${{ matrix.wheel }}
+          name: ua-parser-rs-${{ matrix.platform }}-${{ matrix.arch }}-${{ matrix.wheel }}.whl
           path: dist
       - name: Update pip
         run: python -mpip install --upgrade pip
diff --git a/pyproject.toml b/pyproject.toml
index 42a5a144..0ead22f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,12 +30,12 @@ classifiers = [
         "Programming Language :: Python",
         "Topic :: Internet :: WWW/HTTP",
         "Topic :: Software Development :: Libraries :: Python Modules",
-        "Programming Language :: Python",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: 3.14",
+        "Programming Language :: Python :: 3.15",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Programming Language :: Python :: Implementation :: GraalPy",
diff --git a/scripts/matrix-tests.py b/scripts/matrix-tests.py
new file mode 100644
index 00000000..2260dddd
--- /dev/null
+++ b/scripts/matrix-tests.py
@@ -0,0 +1,51 @@
+import itertools
+import json
+
+# fmt: off
+PYTHON_VERSIONS = [
+    "3.10", "3.11", "3.12", "3.13", "3.14", "3.15",
+    "3.14t", "3.15t",
+    "pypy-3.11", "pypy-3.12",
+    "graalpy-25",
+]
+matrix = [
+    d
+    for d in map(dict, itertools.product(
+        (("python-version", v) for v in PYTHON_VERSIONS),
+        (("arch", a) for a in ["x86_64", "aarch64"]),
+        (("platform", p) for p in ["linux", "windows", "macos"]),
+    ))
+    # on windows, only cpython has arm builds (?)
+    if (d["python-version"].startswith("3.") and d["python-version"] != "3.10")
+        or d["platform"] != "windows"
+        or d["arch"] != "aarch64"
+]
+# fmt: on
+
+RUNNERS = {
+    ("linux", "x86_64"): "ubuntu-latest",
+    ("linux", "aarch64"): "ubuntu-24.04-arm",
+    ("musllinux", "x86_64"): "ubuntu-latest",
+    ("musllinux", "aarch64"): "ubuntu-24.04-arm",
+    ("macos", "x86_64"): "macos-15-intel",
+    ("macos", "aarch64"): "macos-latest",
+    ("windows", "x86_64"): "windows-latest",
+    ("windows", "aarch64"): "windows-11-arm",
+}
+for job in matrix:
+    job["opts"] = ""
+    job["runner"] = RUNNERS[job["platform"], job["arch"]]
+
+    match job["python-version"]:
+        case "3.14t":
+            job["wheel"] = "3.14t"
+        case "3.15t":
+            job["wheel"] = "3.15"
+        case v if v.startswith("3."):
+            job["wheel"] = "3.14"
+        case v:  # pypy, graal only do single-version wheels
+            job["wheel"] = v
+            if v.startswith("graal"):
+                job["opts"] = "--experimental-options --engine.CompileOnly='~tregex re'"
+
+print(json.dumps({"include": matrix}))
diff --git a/scripts/matrix-wheels.py b/scripts/matrix-wheels.py
new file mode 100644
index 00000000..04871b4a
--- /dev/null
+++ b/scripts/matrix-wheels.py
@@ -0,0 +1,44 @@
+import itertools
+import json
+
+builder = {
+    ("linux", "x86_64"): "ubuntu-latest",
+    ("linux", "aarch64"): "ubuntu-24.04-arm",
+    ("musllinux", "x86_64"): "ubuntu-latest",
+    ("musllinux", "aarch64"): "ubuntu-24.04-arm",
+    ("macos", "x86_64"): "macos-15-intel",
+    ("macos", "aarch64"): "macos-latest",
+    ("windows", "x86_64"): "windows-latest",
+    ("windows", "aarch64"): "windows-11-arm",
+}
+
+# fmt: off
+matrix = [
+    d
+    for d in map(dict, itertools.product(
+        (("python-version", v) for v in ["3.14", "3.14t", "3.15", "pypy-3.11", "pypy-3.12", "graalpy-25"]),
+        (("arch", a) for a in ["x86_64", "aarch64"]),
+        (("platform", p) for p in ["linux", "musllinux", "windows", "macos"]),
+    ))
+    # on windows, only cpython has arm builds (?)
+    if d["python-version"].startswith("3.")
+        or d["platform"] != "windows"
+        or d["arch"] != "aarch64"
+]
+# fmt: on
+# platform-specific fixups
+for job in matrix:
+    match job["platform"]:
+        case "linux":
+            job["manylinux"] = "auto"
+            # use zig instead of docker for manylinux cross-builds (see #315)
+            job["args"] = " --zig"
+        case "mussllinux":
+            job["manylinux"] = "musllinux_1_2"
+        # windows/arm doesn't have a rust toolchain by default
+        case "windows" if job["arch"] == "aarch64":
+            job["setup-rust"] = True
+
+    job["runs"] = builder[job["platform"], job["arch"]]
+
+print(json.dumps({"include": matrix}))
diff --git a/tox.ini b/tox.ini
index 37621d9f..94123347 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,8 +1,8 @@
 [tox]
 min_version = 4.0
-env_list = py3{10,11,12,13,14,14t}
-           pypy{311}
-           graalpy3{11,12}
+env_list = py3{10,11,12,13,14,14t,15,15t}
+           pypy{311,312}
+           graalpy313
            check, format, typecheck
 
 [testenv]
@@ -22,6 +22,7 @@ deps =
 commands =
     pytest -Werror --doctest-glob="*.rst" {posargs}
 
+# versions with re2 support
 [testenv:py3{10,11,12,13,14}]
 labels = test, cpy
 deps =
diff --git a/ua-parser-builtins/pyproject.toml b/ua-parser-builtins/pyproject.toml
index 6fc800dc..d4059adc 100644
--- a/ua-parser-builtins/pyproject.toml
+++ b/ua-parser-builtins/pyproject.toml
@@ -24,12 +24,12 @@ classifiers = [
         "Programming Language :: Python",
         "Topic :: Internet :: WWW/HTTP",
         "Topic :: Software Development :: Libraries :: Python Modules",
-        "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: 3.14",
+        "Programming Language :: Python :: 3.15",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Programming Language :: Python :: Implementation :: GraalPy",
diff --git a/ua-parser-rs/Cargo.lock b/ua-parser-rs/Cargo.lock
index 167440ef..c68231c0 100644
--- a/ua-parser-rs/Cargo.lock
+++ b/ua-parser-rs/Cargo.lock
@@ -11,12 +11,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "autocfg"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
-
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -29,15 +23,6 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
-[[package]]
-name = "indoc"
-version = "2.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79cf5c93f93228cf8efb3ba362535fb11199ac548a09ce117c9b1adc3030d706"
-dependencies = [
- "rustversion",
-]
-
 [[package]]
 name = "itertools"
 version = "0.14.0"
@@ -59,15 +44,6 @@ 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 = "once_cell"
 version = "1.21.4"
@@ -91,35 +67,32 @@ dependencies = [
 
 [[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-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",
@@ -127,27 +100,26 @@ 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",
+ "syn 3.0.9",
 ]
 
 [[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",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -200,12 +172,6 @@ version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
-[[package]]
-name = "rustversion"
-version = "1.0.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
-
 [[package]]
 name = "serde"
 version = "1.0.228"
@@ -233,7 +199,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -247,6 +213,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "3.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d78c8dee4c7bf0e14673097256fed6142ce9d3b85a408189d07482442145823b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "target-lexicon"
 version = "0.13.5"
@@ -266,7 +243,7 @@ dependencies = [
 
 [[package]]
 name = "ua-parser-rs"
-version = "0.1.4"
+version = "0.1.5"
 dependencies = [
  "pyo3",
  "ua-parser",
@@ -277,9 +254,3 @@ name = "unicode-ident"
 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"
diff --git a/ua-parser-rs/Cargo.toml b/ua-parser-rs/Cargo.toml
index 273e9035..b5641334 100644
--- a/ua-parser-rs/Cargo.toml
+++ b/ua-parser-rs/Cargo.toml
@@ -14,5 +14,5 @@ name = "ua_parser_rs"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.27", features = ["extension-module", "abi3", "abi3-py310"] }
+pyo3 = { version = "0.30.1", features = ["extension-module", "abi3", "abi3-py310", "abi3t", "abi3t-py315"] }
 ua-parser = "0.2.2"
diff --git a/ua-parser-rs/pyproject.toml b/ua-parser-rs/pyproject.toml
index 555cbec4..2fd99564 100644
--- a/ua-parser-rs/pyproject.toml
+++ b/ua-parser-rs/pyproject.toml
@@ -14,6 +14,8 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
+    "Programming Language :: Python :: Free Threading :: 4 - Resilient",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Programming Language :: Python :: Implementation :: GraalPy",