diff --git a/Doc/deprecations/c-api-pending-removal-in-3.15.rst b/Doc/deprecations/c-api-pending-removal-in-3.15.rst
index b87f0a5ecde..a3e335ecaf4 100644
--- a/Doc/deprecations/c-api-pending-removal-in-3.15.rst
+++ b/Doc/deprecations/c-api-pending-removal-in-3.15.rst
@@ -1,7 +1,6 @@
 Pending removal in Python 3.15
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-* The bundled copy of ``libmpdecimal``.
 * The :c:func:`!PyImport_ImportModuleNoBlock`:
   Use :c:func:`PyImport_ImportModule` instead.
 * :c:func:`PyWeakref_GetObject` and :c:func:`PyWeakref_GET_OBJECT`:
diff --git a/Doc/deprecations/c-api-pending-removal-in-3.16.rst b/Doc/deprecations/c-api-pending-removal-in-3.16.rst
new file mode 100644
index 00000000000..9453f83799c
--- /dev/null
+++ b/Doc/deprecations/c-api-pending-removal-in-3.16.rst
@@ -0,0 +1,4 @@
+Pending removal in Python 3.16
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+* The bundled copy of ``libmpdec``.
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
index a65f59c0a72..7cfdc287b7f 100644
--- a/Doc/whatsnew/3.12.rst
+++ b/Doc/whatsnew/3.12.rst
@@ -2233,6 +2233,8 @@ Deprecated
 
 .. include:: ../deprecations/c-api-pending-removal-in-3.15.rst
 
+.. include:: ../deprecations/c-api-pending-removal-in-3.16.rst
+
 .. include:: ../deprecations/c-api-pending-removal-in-future.rst
 
 Removed
diff --git a/Doc/whatsnew/3.13.rst b/Doc/whatsnew/3.13.rst
index ef7c36d8539..0a3b3b30e01 100644
--- a/Doc/whatsnew/3.13.rst
+++ b/Doc/whatsnew/3.13.rst
@@ -2546,6 +2546,8 @@ Deprecated C APIs
 
 .. include:: ../deprecations/c-api-pending-removal-in-3.15.rst
 
+.. include:: ../deprecations/c-api-pending-removal-in-3.16.rst
+
 .. include:: ../deprecations/c-api-pending-removal-in-3.18.rst
 
 .. include:: ../deprecations/c-api-pending-removal-in-future.rst
@@ -2592,7 +2594,7 @@ Build Changes
 
 * The :file:`configure` option :option:`--with-system-libmpdec`
   now defaults to ``yes``.
-  The bundled copy of ``libmpdecimal`` will be removed in Python 3.15.
+  The bundled copy of ``libmpdec`` will be removed in Python 3.16.
 
 * Python built with :file:`configure` :option:`--with-trace-refs`
   (tracing references) is now ABI compatible with the Python release build
diff --git a/Doc/whatsnew/3.14.rst b/Doc/whatsnew/3.14.rst
index 8260f8ddc4e..c108a94692d 100644
--- a/Doc/whatsnew/3.14.rst
+++ b/Doc/whatsnew/3.14.rst
@@ -3053,6 +3053,8 @@ Deprecated
 
 .. include:: ../deprecations/c-api-pending-removal-in-3.15.rst
 
+.. include:: ../deprecations/c-api-pending-removal-in-3.16.rst
+
 .. include:: ../deprecations/c-api-pending-removal-in-3.18.rst
 
 .. include:: ../deprecations/c-api-pending-removal-in-future.rst
diff --git a/configure b/configure
index 3a103c39b62..9df366697b8 100755
--- a/configure
+++ b/configure
@@ -33180,13 +33180,13 @@ printf "%s\n" "$py_cv_module__decimal" >&6; }
 
 if test "x$with_system_libmpdec" = xno
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: the bundled copy of libmpdecimal is scheduled for removal in Python 3.16; consider using a system installed mpdecimal library." >&5
-printf "%s\n" "$as_me: WARNING: the bundled copy of libmpdecimal is scheduled for removal in Python 3.16; consider using a system installed mpdecimal library." >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: the bundled copy of libmpdec is scheduled for removal in Python 3.16; consider using a system installed mpdecimal library." >&5
+printf "%s\n" "$as_me: WARNING: the bundled copy of libmpdec is scheduled for removal in Python 3.16; consider using a system installed mpdecimal library." >&2;}
 fi
 if test "$with_system_libmpdec" = "yes" && test "$have_mpdec" = "no"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: no system libmpdecimal found; falling back to pure-Python version for the decimal module" >&5
-printf "%s\n" "$as_me: WARNING: no system libmpdecimal found; falling back to pure-Python version for the decimal module" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: no system libmpdec found; falling back to pure-Python version for the decimal module" >&5
+printf "%s\n" "$as_me: WARNING: no system libmpdec found; falling back to pure-Python version for the decimal module" >&2;}
 fi
 
 
diff --git a/configure.ac b/configure.ac
index 761d1dbd45c..cb7f2144345 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8129,11 +8129,11 @@ PY_STDLIB_MOD([_decimal],
 
 AS_VAR_IF([with_system_libmpdec], [no],
           [AC_MSG_WARN([m4_normalize([
-     the bundled copy of libmpdecimal is scheduled for removal in Python 3.16;
+     the bundled copy of libmpdec is scheduled for removal in Python 3.16;
      consider using a system installed mpdecimal library.])])])
 AS_IF([test "$with_system_libmpdec" = "yes" && test "$have_mpdec" = "no"],
       [AC_MSG_WARN([m4_normalize([
-         no system libmpdecimal found; falling back to pure-Python version
+         no system libmpdec found; falling back to pure-Python version
          for the decimal module])])])
 
 PY_STDLIB_MOD([_dbm],