diff --git a/Misc/NEWS.d/next/Build/2026-10-03-23-23-12.gh-issue-158683.eMlp60.rst b/Misc/NEWS.d/next/Build/2026-10-03-23-23-12.gh-issue-158683.eMlp60.rst
new file mode 100644
index 000000000000000..f8f8d6f19d0d5f0
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2026-10-03-23-23-12.gh-issue-158683.eMlp60.rst
@@ -0,0 +1,2 @@
+Fix the :file:`Modules/Setup` entry for the :mod:`!_zstd` module by adding
+missing source files.
diff --git a/Modules/Setup b/Modules/Setup
index a066982df1ae866..3d6ed2d481816fa 100644
--- a/Modules/Setup
+++ b/Modules/Setup
@@ -201,7 +201,7 @@ PYTHONPATH=$(COREPYTHONPATH)
 #_gdbm _gdbmmodule.c -lgdbm
 #_lzma _lzmamodule.c -llzma
 #_uuid _uuidmodule.c -luuid
-#_zstd _zstd/_zstdmodule.c -lzstd -I$(srcdir)/Modules/_zstd
+#_zstd _zstd/_zstdmodule.c _zstd/zstddict.c _zstd/compressor.c _zstd/decompressor.c -lzstd -I$(srcdir)/Modules/_zstd
 #zlib  zlibmodule.c -lz
 
 # The readline module also supports libeditline (-leditline).