diff --git a/00447-gh-128089-bump-the-magic-number.patch b/00447-gh-128089-bump-the-magic-number.patch
new file mode 100644
index 0000000..034bc96
--- /dev/null
+++ b/00447-gh-128089-bump-the-magic-number.patch
@@ -0,0 +1,44 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
+Date: Thu, 19 Dec 2024 07:28:31 -0800
+Subject: [PATCH] 00447: gh-128089: Bump the PYC magic number for a change in
+ annotate functions
+
+The magic number should have been increased in release 3.14a3. Users running
+3.14a3 with PYC files generated using earlier alphas may run into problems.
+---
+ Include/internal/pycore_magic_number.h                         | 3 ++-
+ .../2024-12-19-07-32-43.gh-issue-128089.3uOOM-.rst             | 3 +++
+ 2 files changed, 5 insertions(+), 1 deletion(-)
+ create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2024-12-19-07-32-43.gh-issue-128089.3uOOM-.rst
+
+diff --git a/Include/internal/pycore_magic_number.h b/Include/internal/pycore_magic_number.h
+index 14e2957687..9ab327afb6 100644
+--- a/Include/internal/pycore_magic_number.h
++++ b/Include/internal/pycore_magic_number.h
+@@ -262,6 +262,7 @@ Known values:
+     Python 3.14a1 3607 (Add pseudo instructions JUMP_IF_TRUE/FALSE)
+     Python 3.14a1 3608 (Add support for slices)
+     Python 3.14a2 3609 (Add LOAD_SMALL_INT and LOAD_CONST_IMMORTAL instructions, remove RETURN_CONST)
++    Python 3.14a4 3610 (Add VALUE_WITH_FAKE_GLOBALS format to annotationlib)
+ 
+     Python 3.15 will start with 3650
+ 
+@@ -274,7 +275,7 @@ PC/launcher.c must also be updated.
+ 
+ */
+ 
+-#define PYC_MAGIC_NUMBER 3609
++#define PYC_MAGIC_NUMBER 3610
+ /* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
+    (little-endian) and then appending b'\r\n'. */
+ #define PYC_MAGIC_NUMBER_TOKEN \
+diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2024-12-19-07-32-43.gh-issue-128089.3uOOM-.rst b/Misc/NEWS.d/next/Core_and_Builtins/2024-12-19-07-32-43.gh-issue-128089.3uOOM-.rst
+new file mode 100644
+index 0000000000..69687bc516
+--- /dev/null
++++ b/Misc/NEWS.d/next/Core_and_Builtins/2024-12-19-07-32-43.gh-issue-128089.3uOOM-.rst
+@@ -0,0 +1,3 @@
++Bump the PYC magic number for an internal change in annotate functions. The
++magic number should have been increased in release 3.14a3. Users running
++3.14a3 with PYC files generated using earlier alphas may run into problems.
diff --git a/python3.14.spec b/python3.14.spec
index bf86280..d18ea94 100644
--- a/python3.14.spec
+++ b/python3.14.spec
@@ -351,6 +351,13 @@ Source11: idle3.appdata.xml
 # pypa/distutils integration: https://github.com/pypa/distutils/pull/70
 Patch251: 00251-change-user-install-location.patch
 
+# 00447 # 79a44c0acfc4c88a1051c133c386da35e10fdee2
+# gh-128089: Bump the PYC magic number for a change in annotate functions
+#
+# The magic number should have been increased in release 3.14a3. Users running
+# 3.14a3 with PYC files generated using earlier alphas may run into problems.
+Patch447: 00447-gh-128089-bump-the-magic-number.patch
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,