--- a/contrib/python-zstandard/make_cffi.py	Thu Apr 04 15:24:03 2019 -0700
+++ b/contrib/python-zstandard/make_cffi.py	Thu Apr 04 17:34:43 2019 -0700
@@ -36,7 +36,9 @@
     'compress/zstd_opt.c',
     'compress/zstdmt_compress.c',
     'decompress/huf_decompress.c',
+    'decompress/zstd_ddict.c',
     'decompress/zstd_decompress.c',
+    'decompress/zstd_decompress_block.c',
     'dictBuilder/cover.c',
     'dictBuilder/fastcover.c',
     'dictBuilder/divsufsort.c',