Set version required for zstd to 20 for winzip compatibility.
diff --git a/lib/zip_algorithm_zstd.c b/lib/zip_algorithm_zstd.c
index 46a1a03..b7aca8b 100644
--- a/lib/zip_algorithm_zstd.c
+++ b/lib/zip_algorithm_zstd.c
@@ -248,11 +248,15 @@
/* clang-format off */
+/* Version Required should be set to 63 (6.3) because this compression
+ method was only defined in appnote.txt version 6.3.7, but Winzip
+ does not unpack it if the value is not 20. */
+
zip_compression_algorithm_t zip_algorithm_zstd_compress = {
compress_allocate,
deallocate,
general_purpose_bit_flags,
- 63,
+ 20,
start,
end,
input,
@@ -265,7 +269,7 @@
decompress_allocate,
deallocate,
general_purpose_bit_flags,
- 63,
+ 20,
start,
end,
input,
