diff --git a/.github/workflows/packaging_wheels.yml b/.github/workflows/packaging_wheels.yml
index b86ec800..e45ca448 100644
--- a/.github/workflows/packaging_wheels.yml
+++ b/.github/workflows/packaging_wheels.yml
@@ -127,7 +127,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: [ cp311, cp312, cp313 ]
+        python: [ cp311, cp312, cp313, cp315 ]
         platform:
           - { os: windows-2022,     arch: amd64,      cibw_system: win }
           - { os: windows-11-arm,   arch: ARM64,      cibw_system: win } # cibw requires ARM64 to be uppercase
diff --git a/pyproject.toml b/pyproject.toml
index df625177..4378b584 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Programming Language :: C++",
 ]
 authors = [{name = "DuckDB Foundation"}]
@@ -46,7 +47,8 @@ all = [ # users can install duckdb with 'duckdb[all]', which will install this l
     "fsspec",  # used in duckdb.filesystem
     "numpy",   # used in duckdb.experimental.spark and in duckdb.fetchnumpy()
     "pandas",  # used for pandas dataframes all over the place
-    "pyarrow", # used for pyarrow support
+    # TODO: Remove after 3.15.0 release
+    "pyarrow; sys_platform != 'win32' or platform_machine != 'ARM64'", # used for pyarrow support
     "adbc-driver-manager", # for the adbc driver
 ]
 
@@ -241,9 +243,21 @@ name = "pytorch-cpu"
 url = "https://download.pytorch.org/whl/cpu"
 explicit = true
 
+[[tool.uv.index]]
+# TODO: Remove after 3.15.0 release
+name = "scientific-python-nightly"
+url = "https://pypi.anaconda.org/scientific-python-nightly-wheels/simple"
+explicit = true
+
 [tool.uv.sources]
 torch = [ { index = "pytorch-cpu" } ]
 torchvision = [ { index = "pytorch-cpu" } ]
+pandas = [
+    { index = "scientific-python-nightly", marker = "python_version >= '3.15'" },
+]
+pyarrow = [
+    { index = "scientific-python-nightly", marker = "python_version >= '3.15'" },
+]
 
 # todo: adjust for windows arm64 while test dependencies become available
 [dependency-groups] # used for development only, requires pip >=25.1.0
@@ -257,7 +271,7 @@ stubdeps = [ # dependencies used for typehints in the stubs
     "typing-extensions",
 ]
 test = [ # dependencies used for running tests
-    "adbc-driver-manager>=1.10.0; python_version >= '3.10' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
+    "adbc-driver-manager>=1.10.0; python_version >= '3.10' and python_version < '3.15' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
     "adbc-driver-manager>=1.7.0; python_version < '3.10' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
     "pytest",
     "pytest-reraise",
@@ -267,9 +281,9 @@ test = [ # dependencies used for running tests
     "pytest_codspeed",
     "coverage",
     "gcovr; sys_platform != 'win32' or platform_machine != 'ARM64'",
-    "gcsfs; sys_platform != 'win32' or platform_machine != 'ARM64'",
+    "gcsfs; python_version < '3.15' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
     "packaging",
-    "polars>=1.33.0",
+    "polars>=1.33.0; python_version < '3.15'",
     "psutil",
     "py4j",
     "pyotp",
@@ -278,14 +292,18 @@ test = [ # dependencies used for running tests
     "requests",
     "urllib3",
     "fsspec>=2022.11.0; sys_platform != 'win32' or platform_machine != 'ARM64'",
-    "pandas>=3.0.0; python_version > '3.10'",
+    "pandas>=3.0.0; python_version >= '3.11' and python_version < '3.15'",
+    "pandas>=3.0.0.dev0; python_version >= '3.15'",
     "pandas<3.0.0; python_version < '3.11'",
-    "pyarrow>=23.0.0; python_version >= '3.10' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
+    "pyarrow>=23.0.0; python_version >= '3.10' and python_version < '3.15' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
+    "pyarrow>=23.0.0.dev0; python_version >= '3.15' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
     "pyarrow>=18.0.0; python_version < '3.10' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
     "torch>=2.2.2; python_version < '3.13' and ( sys_platform != 'win32' or platform_machine != 'ARM64' )",
     "torch>=2.2.2,<2.12.1; python_version > '3.11' and python_version < '3.13' and sys_platform == 'win32' and platform_machine == 'ARM64'",
     "torch>=2.2.2,<2.11.0; python_version >= '3.13' and python_version < '3.14' and ( sys_platform != 'darwin' or platform_machine != 'x86_64' ) and ( sys_platform != 'win32' or platform_machine != 'ARM64' )",
-    "torch>=2.10.0; python_version >= '3.14' and ( sys_platform != 'darwin' or platform_machine != 'x86_64' ) and ( sys_platform != 'win32' or platform_machine != 'ARM64' )",
+    "torch>=2.10.0; python_version >= '3.14' and python_version < '3.15' and ( sys_platform != 'darwin' or platform_machine != 'x86_64' ) and ( sys_platform != 'win32' or platform_machine != 'ARM64' )",
+    # cp315: torch only ships manylinux wheels on the cpu index; skip elsewhere (torch tests importorskip)
+    "torch>=2.10.0; python_version >= '3.15' and sys_platform == 'linux'",
     "tensorflow==2.14.0; sys_platform == 'darwin' and python_version < '3.12'",
     "tensorflow-cpu>=2.14.0; sys_platform == 'linux' and platform_machine != 'aarch64' and python_version < '3.12'",
     "tensorflow-cpu>=2.14.0; sys_platform == 'win32' and platform_machine != 'ARM64' and python_version < '3.12'",
@@ -304,9 +322,11 @@ bench = [ # Pinned deps for the benchmark suite (see benchmarks/README.md). Mini
     "numpy<2; ( sys_platform != 'win32' or platform_machine != 'ARM64' ) and python_version < '3.12'",
     "numpy>=2; ( sys_platform != 'win32' or platform_machine != 'ARM64' ) and python_version >= '3.12'",
     "numpy>=2.3; sys_platform == 'win32' and platform_machine == 'ARM64' and python_version >= '3.11'",
-    "pandas>=3.0.0; python_version > '3.10'",
+    "pandas>=3.0.0; python_version >= '3.11' and python_version < '3.15'",
+    "pandas>=3.0.0.dev0; python_version >= '3.15'",
     "pandas<3.0.0; python_version < '3.11'",
-    "pyarrow>=23.0.0; python_version >= '3.10' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
+    "pyarrow>=23.0.0; python_version >= '3.10' and python_version < '3.15' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
+    "pyarrow>=23.0.0.dev0; python_version >= '3.15' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
     "pyarrow>=18.0.0; python_version < '3.10' and (sys_platform != 'win32' or platform_machine != 'ARM64')",
 ]
 scripts = [ # dependencies used for running scripts
@@ -365,6 +385,8 @@ filterwarnings = [
     # Pyspark is throwing these warnings
     "ignore:distutils Version classes are deprecated:DeprecationWarning",
     "ignore:is_datetime64tz_dtype is deprecated:DeprecationWarning",
+    # pandas 3.1.0.dev0deprecates the inplace keyword with a warning
+    "ignore::pandas.errors.Pandas4Warning",
 ]
 
 [tool.mypy]