diff --git a/.env b/.env
index cd30f7aa7c8c..4be5d436f2d7 100644
--- a/.env
+++ b/.env
@@ -98,6 +98,6 @@ VCPKG="9b965a116838c6cdcd36bca60d1b81b030c8ab8d"    # 2026.05.27 (not release, u
 # ci/docker/python-*-windows-*.dockerfile or the vcpkg config.
 # This is a workaround for our CI problem that "archery docker build" doesn't
 # use pulled built images in dev/tasks/python-wheels/github.windows.yml.
-PYTHON_WHEEL_WINDOWS_IMAGE_REVISION=2026-10-01
-PYTHON_WHEEL_WINDOWS_TEST_IMAGE_REVISION=2026-09-14
+PYTHON_WHEEL_WINDOWS_IMAGE_REVISION=2026-10-11
+PYTHON_WHEEL_WINDOWS_TEST_IMAGE_REVISION=2026-11-11
 
diff --git a/ci/docker/python-free-threaded-wheel-musllinux-test-imports.dockerfile b/ci/docker/python-free-threaded-wheel-musllinux-test-imports.dockerfile
index 3f98c13352cc..73b9f023e793 100644
--- a/ci/docker/python-free-threaded-wheel-musllinux-test-imports.dockerfile
+++ b/ci/docker/python-free-threaded-wheel-musllinux-test-imports.dockerfile
@@ -36,7 +36,7 @@ RUN apk update && \
 RUN set -e; \
     case "${python_version}" in \
       3.14) python_patch_version="3.14.7";; \
-      3.15) python_patch_version="3.15.0rc2";; \
+      3.15) python_patch_version="3.15.0";; \
     esac && \
     curl -L -o python.tar.zst \
     https://github.com/astral-sh/python-build-standalone/releases/download/${build_date}/cpython-${python_patch_version}+${build_date}-${arch}-unknown-linux-musl-freethreaded+lto-full.tar.zst && \
diff --git a/ci/docker/python-free-threaded-wheel-musllinux-test-unittests.dockerfile b/ci/docker/python-free-threaded-wheel-musllinux-test-unittests.dockerfile
index 6adbd50e0dc2..8089824864ce 100644
--- a/ci/docker/python-free-threaded-wheel-musllinux-test-unittests.dockerfile
+++ b/ci/docker/python-free-threaded-wheel-musllinux-test-unittests.dockerfile
@@ -38,7 +38,7 @@ RUN apk update && \
 RUN set -e; \
     case "${python_version}" in \
       3.14) python_patch_version="3.14.7";; \
-      3.15) python_patch_version="3.15.0rc2";; \
+      3.15) python_patch_version="3.15.0";; \
     esac && \
     curl -L -o python.tar.zst \
     https://github.com/astral-sh/python-build-standalone/releases/download/${build_date}/cpython-${python_patch_version}+${build_date}-${arch}-unknown-linux-musl-freethreaded+lto-full.tar.zst && \
diff --git a/ci/docker/python-free-threaded-wheel-windows-test-vs2022.dockerfile b/ci/docker/python-free-threaded-wheel-windows-test-vs2022.dockerfile
index dad0f33a27b5..e67b96500711 100644
--- a/ci/docker/python-free-threaded-wheel-windows-test-vs2022.dockerfile
+++ b/ci/docker/python-free-threaded-wheel-windows-test-vs2022.dockerfile
@@ -30,7 +30,7 @@ ARG python=3.14
 # final release it leads to, e.g. 3.15.0/python-3.15.0rc2-amd64.exe
 # hadolint ignore=SC1072
 RUN (if "%python%"=="3.14" setx PYTHON_VERSION "3.14.7" && setx PYTHON_RELEASE "3.14.7") & \
-    (if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0rc2" && setx PYTHON_RELEASE "3.15.0")
+    (if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0" && setx PYTHON_RELEASE "3.15.0")
 
 SHELL ["powershell", "-NoProfile", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 RUN $version = $env:PYTHON_VERSION; \
diff --git a/ci/docker/python-wheel-windows-test-vs2022.dockerfile b/ci/docker/python-wheel-windows-test-vs2022.dockerfile
index 6acb395e6531..565b4d96fd87 100644
--- a/ci/docker/python-wheel-windows-test-vs2022.dockerfile
+++ b/ci/docker/python-wheel-windows-test-vs2022.dockerfile
@@ -32,7 +32,7 @@ RUN (if "%python%"=="3.11" setx PYTHON_VERSION "3.11.9" && setx PYTHON_CMD "py -
     (if "%python%"=="3.12" setx PYTHON_VERSION "3.12.10" && setx PYTHON_CMD "py -3.12") & \
     (if "%python%"=="3.13" setx PYTHON_VERSION "3.13.14" && setx PYTHON_CMD "py -3.13") & \
     (if "%python%"=="3.14" setx PYTHON_VERSION "3.14.7" && setx PYTHON_CMD "py -3.14") & \
-    (if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0-rc2" && setx PYTHON_CMD "py -3.15")
+    (if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0" && setx PYTHON_CMD "py -3.15")
 
 
 # hadolint ignore=DL3059
diff --git a/ci/scripts/install_python.sh b/ci/scripts/install_python.sh
index 82cab4d5721d..33de190ccb02 100755
--- a/ci/scripts/install_python.sh
+++ b/ci/scripts/install_python.sh
@@ -30,8 +30,8 @@ versions=([3.11]=3.11.9
           [3.13]=3.13.14
           [3.14]=3.14.7
           [3.14t]=3.14.7
-          [3.15]=3.15.0rc2
-          [3.15t]=3.15.0rc2
+          [3.15]=3.15.0
+          [3.15t]=3.15.0
           )
 
 if [ "$#" -ne 2 ]; then
@@ -50,7 +50,7 @@ if [ "$platform" = "macOS" ]; then
     echo "Downloading Python installer..."
 
     # Match python.org directory by truncating any pre-release suffix: 
-    # 3.15.0rc2 is https://www.python.org/ftp/python/3.15.0/python-3.15.0rc2-macos11.pkg
+    # 3.15.0 is https://www.python.org/ftp/python/3.15.0/python-3.15.0-macos11.pkg
     release_version="${full_version%%[abrc]*}"
     fname="python-${full_version}-macos11.pkg"
     wget "https://www.python.org/ftp/python/${release_version}/${fname}"
diff --git a/compose.yaml b/compose.yaml
index 1741d00db431..512fb8a53961 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1179,7 +1179,7 @@ services:
       args:
         arch: ${ARCH}
         arch_short: ${ARCH_SHORT}
-        base: quay.io/pypa/manylinux_2_28_${ARCH_ALIAS}:2026.09.05-1
+        base: quay.io/pypa/manylinux_2_28_${ARCH_ALIAS}:2026.10.10-1
         manylinux: 2_28
         python: ${PYTHON}
         python_abi_tag: ${PYTHON_ABI_TAG}
@@ -1204,7 +1204,7 @@ services:
       args:
         arch: ${ARCH}
         arch_short: ${ARCH_SHORT}
-        base: quay.io/pypa/musllinux_1_2_${ARCH_ALIAS}:2026.09.05-1
+        base: quay.io/pypa/musllinux_1_2_${ARCH_ALIAS}:2026.10.10-1
         musllinux: 1_2
         python: ${PYTHON}
         python_abi_tag: ${PYTHON_ABI_TAG}
@@ -1245,7 +1245,7 @@ services:
       args:
         base: "alpine:${ALPINE_LINUX}"
         python_version: ${PYTHON}
-        build_date: "20260901"  # python-build-standalone release date
+        build_date: "20261009"  # python-build-standalone release date
         arch: ${ARCH_ALIAS}
       context: .
       dockerfile: ci/docker/python-free-threaded-wheel-musllinux-test-imports.dockerfile
@@ -1289,7 +1289,7 @@ services:
       args:
         base: "alpine:${ALPINE_LINUX}"
         python_version: ${PYTHON}
-        build_date: "20260901"  # python-build-standalone release date
+        build_date: "20261009"  # python-build-standalone release date
         arch: ${ARCH_ALIAS}
       context: .
       dockerfile: ci/docker/python-free-threaded-wheel-musllinux-test-unittests.dockerfile
diff --git a/python/requirements-wheel-test.txt b/python/requirements-wheel-test.txt
index 591e4a03d416..829cf01f349d 100644
--- a/python/requirements-wheel-test.txt
+++ b/python/requirements-wheel-test.txt
@@ -15,6 +15,6 @@ tzdata; sys_platform == 'win32'
 numpy~=2.0.0; python_version <= "3.12"
 numpy~=2.1.0; python_version == "3.13"
 numpy~=2.3.3; python_version == "3.14"
-numpy~=2.5.2; python_version == "3.15"  # TODO: 2.5.2 is for 3.15-rc1, after release, update to correct version  
+numpy~=2.5.2; python_version == "3.15"
 
 pandas