diff --color -urN a/conf/logwatch.conf b/conf/logwatch.conf
--- a/conf/logwatch.conf	2025-07-15 12:47:54.895159550 +0200
+++ b/conf/logwatch.conf	2025-07-15 16:35:29.127282999 +0200
@@ -191,5 +191,6 @@
 # PathTozcat = "zcat"
 # PathTobzcat = "bzcat"
 # PathToxzcat = "zxcat"
+# PathTozstdcat = "zstdcat"
 
 # vi: shiftwidth=3 tabstop=3 et
diff --color -urN a/scripts/logwatch.pl b/scripts/logwatch.pl
--- a/scripts/logwatch.pl	2025-07-15 12:47:54.869744800 +0200
+++ b/scripts/logwatch.pl	2025-07-15 16:34:26.473278680 +0200
@@ -96,6 +96,7 @@
 $Config{'pathtozcat'} = "zcat";
 $Config{'pathtobzcat'} = "bzcat";
 $Config{'pathtoxzcat'} = "xzcat";
+$Config{'pathtozstdcat'} = "zstdcat";
 $Config{'output'} = "stdout"; #8.0
 $Config{'format'} = "text"; #8.0
 $Config{'encode'} = "none"; #8.0
@@ -746,7 +747,7 @@
 
    # Handle compressed log files using the archive codepath
    foreach my $lf (@{$LogFileData{$LogFile}{'logfiles'}}) {
-      if ($lf =~ /\.(?:gz|bz2|xz)$/) {
+      if ($lf =~ /\.(?:gz|bz2|xz|zst)$/) {
          push @{$LogFileData{$LogFile}{'archives'}}, $lf;
       } else {
          push @FileList, $lf;
@@ -798,6 +799,10 @@
             my $arguments = "'${Archive}' 2>/dev/null >> $DestFile";
             system("$Config{'pathtoxzcat'} $arguments") == 0
                or die "system '$Config{'pathtoxzcat'} $arguments' failed: $?"
+         } elsif (($Archive =~ m/zst$/) && (-f "$Archive") && (-s "$Archive")) {
+            my $arguments = "'${Archive}' 2>/dev/null >> $DestFile";
+            system("$Config{'pathtozstdcat'} $arguments") == 0
+               or die "system '$Config{'pathtozstdcat'} $arguments' failed: $?"
          } elsif ((-f "$Archive") && (-s "$Archive")) {
             my $arguments = "'${Archive}'  >> $DestFile";
             system("$Config{'pathtocat'} $arguments") == 0