diff --git a/build.zig b/build.zig
index 584269822d07fb80b9b2bac847a75e23210c086b..26709c7eb120b6f38939977668c24e8b15c259ac 100644
--- a/build.zig
+++ b/build.zig
@@ -142,8 +142,8 @@ pub fn build(b: *std.Build) !void {
                 ".gz",
                 ".z.0",
                 ".z.9",
-                ".zstd.3",
-                ".zstd.19",
+                ".zst.3",
+                ".zst.19",
                 "rfc1951.txt",
                 "rfc1952.txt",
                 "rfc8478.txt",