diff --git a/.ruff.toml b/.ruff.toml
index 1c015fa88415bc..77759076b2bae7 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -1,7 +1,7 @@
 # Default settings for Ruff in CPython
 
 # PYTHON_FOR_REGEN
-target-version = "py310"
+target-version = "py311"
 
 # PEP 8
 line-length = 79
diff --git a/Misc/NEWS.d/next/Build/2025-08-10-22-28-06.gh-issue-137618.FdNvIE.rst b/Misc/NEWS.d/next/Build/2025-08-10-22-28-06.gh-issue-137618.FdNvIE.rst
new file mode 100644
index 00000000000000..9f3002c378d559
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2025-08-10-22-28-06.gh-issue-137618.FdNvIE.rst
@@ -0,0 +1,2 @@
+``PYTHON_FOR_REGEN`` now requires Python 3.11 to Python 3.15.
+Patch by Adam Turner.
diff --git a/Tools/build/.ruff.toml b/Tools/build/.ruff.toml
index dcbf2936290f12..eafa51127a08f0 100644
--- a/Tools/build/.ruff.toml
+++ b/Tools/build/.ruff.toml
@@ -1,9 +1,5 @@
 extend = "../../.ruff.toml"  # Inherit the project-wide settings
 
-[per-file-target-version]
-"deepfreeze.py" = "py311"  # requires `code.co_exceptiontable`
-"stable_abi.py" = "py311"  # requires 'tomllib'
-
 [format]
 preview = true
 docstring-code-format = true
diff --git a/configure b/configure
index 451f72fdfd4ec3..96a605b1980d6a 100755
--- a/configure
+++ b/configure
@@ -3816,7 +3816,7 @@ fi
 
 
 
-for ac_prog in python$PACKAGE_VERSION python3.13 python3.12 python3.11 python3.10 python3 python
+for ac_prog in python$PACKAGE_VERSION python3.15 python3.14 python3.13 python3.12 python3.11 python3 python
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
diff --git a/configure.ac b/configure.ac
index f0e9eb2ee88c03..bb7fce6f4bf587 100644
--- a/configure.ac
+++ b/configure.ac
@@ -205,7 +205,7 @@ AC_SUBST([FREEZE_MODULE_DEPS])
 AC_SUBST([PYTHON_FOR_BUILD_DEPS])
 
 AC_CHECK_PROGS([PYTHON_FOR_REGEN],
-  [python$PACKAGE_VERSION python3.13 python3.12 python3.11 python3.10 python3 python],
+  [python$PACKAGE_VERSION python3.15 python3.14 python3.13 python3.12 python3.11 python3 python],
   [python3])
 AC_SUBST([PYTHON_FOR_REGEN])