diff --git a/.github/workflows/build-tarball.yml b/.github/workflows/build-tarball.yml
index 8a39b5636121..39118f07b8e1 100644
--- a/.github/workflows/build-tarball.yml
+++ b/.github/workflows/build-tarball.yml
@@ -28,7 +28,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   FLAKY_TESTS: keep_retrying
 
 permissions:
diff --git a/.github/workflows/coverage-linux-without-intl.yml b/.github/workflows/coverage-linux-without-intl.yml
index eefb9f33d67a..dc110262a601 100644
--- a/.github/workflows/coverage-linux-without-intl.yml
+++ b/.github/workflows/coverage-linux-without-intl.yml
@@ -34,7 +34,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   FLAKY_TESTS: keep_retrying
   CC: sccache clang
   CXX: sccache clang++
diff --git a/.github/workflows/coverage-linux.yml b/.github/workflows/coverage-linux.yml
index ea28d9e23fd1..9b6d7ce831b4 100644
--- a/.github/workflows/coverage-linux.yml
+++ b/.github/workflows/coverage-linux.yml
@@ -34,7 +34,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   FLAKY_TESTS: keep_retrying
   CC: sccache clang
   CXX: sccache clang++
diff --git a/.github/workflows/coverage-windows.yml b/.github/workflows/coverage-windows.yml
index 24aad7dc296a..ca9d98001176 100644
--- a/.github/workflows/coverage-windows.yml
+++ b/.github/workflows/coverage-windows.yml
@@ -34,7 +34,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   FLAKY_TESTS: keep_retrying
 
 permissions:
diff --git a/.github/workflows/daily-wpt-fyi.yml b/.github/workflows/daily-wpt-fyi.yml
index 57cdc99bfa17..4d12ec23adb5 100644
--- a/.github/workflows/daily-wpt-fyi.yml
+++ b/.github/workflows/daily-wpt-fyi.yml
@@ -13,7 +13,7 @@ on:
     - cron: 30 0 * * *
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
 
 permissions:
   contents: read
diff --git a/.github/workflows/lint-release-proposal.yml b/.github/workflows/lint-release-proposal.yml
index c3e0ee34d181..bb3a3ac6778a 100644
--- a/.github/workflows/lint-release-proposal.yml
+++ b/.github/workflows/lint-release-proposal.yml
@@ -10,7 +10,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   NODE_VERSION: lts/*
 
 permissions:
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 8ef41b0a20cf..572f47891ef1 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -14,7 +14,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   NODE_VERSION: lts/*
 
 permissions:
diff --git a/.github/workflows/test-internet.yml b/.github/workflows/test-internet.yml
index d97579b6ef6a..bfaed237d47d 100644
--- a/.github/workflows/test-internet.yml
+++ b/.github/workflows/test-internet.yml
@@ -31,7 +31,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   FLAKY_TESTS: keep_retrying
   CC: sccache clang
   CXX: sccache clang++
diff --git a/.github/workflows/test-linux.yml b/.github/workflows/test-linux.yml
index 207074d75bbe..c943c8d222eb 100644
--- a/.github/workflows/test-linux.yml
+++ b/.github/workflows/test-linux.yml
@@ -25,7 +25,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   FLAKY_TESTS: keep_retrying
   CC: sccache clang
   CXX: sccache clang++
diff --git a/.github/workflows/test-macos.yml b/.github/workflows/test-macos.yml
index e759c9137121..2f5acc8c52d7 100644
--- a/.github/workflows/test-macos.yml
+++ b/.github/workflows/test-macos.yml
@@ -29,7 +29,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
   XCODE_VERSION: '16.1'
   FLAKY_TESTS: keep_retrying
 
diff --git a/.github/workflows/tools.yml b/.github/workflows/tools.yml
index 38157bfc00e2..fdbc75a6d44d 100644
--- a/.github/workflows/tools.yml
+++ b/.github/workflows/tools.yml
@@ -43,7 +43,7 @@ on:
           - zstd
 
 env:
-  PYTHON_VERSION: '3.12'
+  PYTHON_VERSION: '3.14'
 
 permissions:
   contents: read
diff --git a/android-configure b/android-configure
index fb237241d741..27f39b9917cc 100755
--- a/android-configure
+++ b/android-configure
@@ -4,6 +4,7 @@
 # Note that the mix of single and double quotes is intentional,
 # as is the fact that the ] goes on a new line.
 _=[ 'exec' '/bin/sh' '-c' '''
+command -v python3.14 >/dev/null && exec python3.14 "$0" "$@"
 command -v python3.13 >/dev/null && exec python3.13 "$0" "$@"
 command -v python3.12 >/dev/null && exec python3.12 "$0" "$@"
 command -v python3.11 >/dev/null && exec python3.11 "$0" "$@"
@@ -23,7 +24,7 @@ except ImportError:
   from distutils.spawn import find_executable as which
 
 print('Node.js android configure: Found Python {}.{}.{}...'.format(*sys.version_info))
-acceptable_pythons = ((3, 13), (3, 12), (3, 11), (3, 10), (3, 9), (3, 8))
+acceptable_pythons = ((3, 14), (3, 13), (3, 12), (3, 11), (3, 10), (3, 9), (3, 8))
 if sys.version_info[:2] in acceptable_pythons:
   import android_configure
 else:
diff --git a/configure b/configure
index 56720e8f4c42..789a87c5377f 100755
--- a/configure
+++ b/configure
@@ -4,6 +4,7 @@
 # Note that the mix of single and double quotes is intentional,
 # as is the fact that the ] goes on a new line.
 _=[ 'exec' '/bin/sh' '-c' '''
+command -v python3.14 >/dev/null && exec python3.14 "$0" "$@"
 command -v python3.13 >/dev/null && exec python3.13 "$0" "$@"
 command -v python3.12 >/dev/null && exec python3.12 "$0" "$@"
 command -v python3.11 >/dev/null && exec python3.11 "$0" "$@"
@@ -23,7 +24,7 @@ except ImportError:
   from distutils.spawn import find_executable as which
 
 print('Node.js configure: Found Python {}.{}.{}...'.format(*sys.version_info))
-acceptable_pythons = ((3, 13), (3, 12), (3, 11), (3, 10), (3, 9), (3, 8))
+acceptable_pythons = ((3, 14), (3, 13), (3, 12), (3, 11), (3, 10), (3, 9), (3, 8))
 if sys.version_info[:2] in acceptable_pythons:
   import configure
 else: