diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index dfe5ef0726ff7d..9f2ef915c07c8e 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -5420,10 +5420,22 @@ operating system.
    Scheduling policy for CPU-intensive processes that tries to preserve
    interactivity on the rest of the computer.
 
+.. data:: SCHED_DEADLINE
+
+   Scheduling strategies for tasks with real-time constraints.
+
+   .. versionadded:: next
+
 .. data:: SCHED_IDLE
 
    Scheduling policy for extremely low priority background tasks.
 
+.. data:: SCHED_NORMAL
+
+   Alias for :data:`SCHED_OTHER`.
+
+   .. versionadded:: next
+
 .. data:: SCHED_SPORADIC
 
    Scheduling policy for sporadic server programs.
diff --git a/Misc/NEWS.d/next/Library/2024-12-06-21-03-11.gh-issue-127688.NJqtc-.rst b/Misc/NEWS.d/next/Library/2024-12-06-21-03-11.gh-issue-127688.NJqtc-.rst
new file mode 100644
index 00000000000000..22d89d41d99111
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-12-06-21-03-11.gh-issue-127688.NJqtc-.rst
@@ -0,0 +1 @@
+Add the ``SCHED_DEADLINE`` and ``SCHED_NORMAL`` constants to the :mod:`os` module.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 6eb7054b566e3f..15cad9e2f1071d 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -17500,9 +17500,15 @@ all_ins(PyObject *m)
 #ifdef SCHED_OTHER
     if (PyModule_AddIntMacro(m, SCHED_OTHER)) return -1;
 #endif
+#ifdef SCHED_DEADLINE
+    if (PyModule_AddIntMacro(m, SCHED_DEADLINE)) return -1;
+#endif
 #ifdef SCHED_FIFO
     if (PyModule_AddIntMacro(m, SCHED_FIFO)) return -1;
 #endif
+#ifdef SCHED_NORMAL
+    if (PyModule_AddIntMacro(m, SCHED_NORMAL)) return -1;
+#endif
 #ifdef SCHED_RR
     if (PyModule_AddIntMacro(m, SCHED_RR)) return -1;
 #endif