diff --git a/btrbk b/btrbk
index d271c7b..0efabf6 100755
--- a/btrbk
+++ b/btrbk
@@ -54,6 +54,7 @@ my %compression = (
   xz     => { name => 'xz',     format => 'xz',  compress_cmd => [ 'xz',     '-c' ], decompress_cmd => [ 'xz',     '-d', '-c' ], level_min => 0, level_max => 9, threads => '-T' },
   lzo    => { name => 'lzo',    format => 'lzo', compress_cmd => [ 'lzop',   '-c' ], decompress_cmd => [ 'lzop',   '-d', '-c' ], level_min => 1, level_max => 9 },
   lz4    => { name => 'lz4',    format => 'lz4', compress_cmd => [ 'lz4',    '-c' ], decompress_cmd => [ 'lz4',    '-d', '-c' ], level_min => 1, level_max => 9 },
+  zstd   => { name => 'zstd',   format => 'zst', compress_cmd => [ 'zstd',   '-c' ], decompress_cmd => [ 'zstd',   '-d', '-c' ], level_min => 1, level_max => 19, threads => '-T' },
  );
 
 my $compress_format_alt = join '|', map { $_->{format} } values %compression; # note: this contains duplicate alternations
diff --git a/doc/btrbk.conf.5.asciidoc b/doc/btrbk.conf.5.asciidoc
index ff0c93c..553cb32 100644
--- a/doc/btrbk.conf.5.asciidoc
+++ b/doc/btrbk.conf.5.asciidoc
@@ -290,7 +290,7 @@ option in ssh_config(5).
     remote locations. Defaults to ``no''. If enabled, make sure that
     '<compress_command>' is available on the source and target
     hosts. Supported '<compress_command>': gzip, pigz, bzip2, pbzip2,
-    xz, lzo, lz4.
+    xz, lzo, lz4, zstd.
 
 *stream_compress_level* default|<number>::
     Compression level for the specified '<compress_command>'. Refer to
@@ -300,7 +300,7 @@ option in ssh_config(5).
 
 *stream_compress_threads* default|<number>::
     Number of threads to use for <compress_command>. Only supported
-    for "pigz", "pbzip2" and recent versions of "xz".
+    for "pigz", "pbzip2", "zstd" and recent versions of "xz".
 
 *stream_buffer* <size>|no::
     Add a buffer to the btrfs send stream (locally, on uncompressed
@@ -565,7 +565,8 @@ Additional options for raw targets:
 
 *raw_target_compress* <compress_command>|no::
     Compression algorithm to use for raw backup target. Supported
-    '<compress_command>': gzip, pigz, bzip2, pbzip2, xz, lzo, lz4.
+    '<compress_command>': gzip, pigz, bzip2, pbzip2, xz, lzo, lz4,
+    zstd.
 *raw_target_compress_level* default|<number>::
     Compression level for the specified <compress_command>.
 *raw_target_compress_threads* default|<number>::
diff --git a/ssh_filter_btrbk.sh b/ssh_filter_btrbk.sh
index 2ba8144..5240597 100755
--- a/ssh_filter_btrbk.sh
+++ b/ssh_filter_btrbk.sh
@@ -12,7 +12,7 @@ allow_exact_list=
 allow_rate_limit=1
 allow_stream_buffer=1
 allow_compress=1
-compress_list="gzip|pigz|bzip2|pbzip2|xz|lzop|lz4"
+compress_list="gzip|pigz|bzip2|pbzip2|xz|lzop|lz4|zstd"
 
 # note that the backslash is NOT a metacharacter in a POSIX bracket expression!
 option_match='-[a-zA-Z0-9=-]+'   # matches short as well as long options