diff --git a/build.zig b/build.zig
index b584c7d..0816d22 100644
--- a/build.zig
+++ b/build.zig
@@ -334,12 +334,14 @@ fn DownloadStep(comptime link: []const u8) type {
             return self;
         }
 
-        pub fn getOutputPath(self: *Self) !struct { path: []const u8, hash: u64 } {
-            var hasher = std.hash.Wyhash.init(0);
+        const Algo = std.crypto.hash.sha2.Sha256;
+        pub fn getOutputPath(self: *Self) !struct { path: []const u8, hash: [Algo.digest_length]u8 } {
+            var hasher = Algo.init(.{});
             hasher.update(download_link);
-            const cache_hash = hasher.final();
+            var cache_hash: [Algo.digest_length]u8 = undefined;
+            hasher.final(&cache_hash);
 
-            const cache_dir = try std.fs.path.join(self.builder.allocator, &[_][]const u8{ self.builder.cache_root.path.?, "o", try std.fmt.allocPrint(self.builder.allocator, "{x}", .{cache_hash}), fileNameNoExtension() });
+            const cache_dir = try std.fs.path.join(self.builder.allocator, &[_][]const u8{ self.builder.cache_root.path.?, "o", try std.fmt.allocPrint(self.builder.allocator, "{s}", .{std.fmt.bytesToHex(cache_hash, .lower)}), fileNameNoExtension() });
 
             return .{
                 .path = cache_dir,
@@ -354,11 +356,12 @@ fn DownloadStep(comptime link: []const u8) type {
             const model_dir = fileNameNoExtension();
 
             // Create a cache hash based on the URL
-            var hasher = std.hash.Wyhash.init(0);
+            var hasher = Algo.init(.{});
             hasher.update(link);
-            const cache_hash = hasher.final();
+            var cache_hash: [Algo.digest_length]u8 = undefined;
+            hasher.final(&cache_hash);
 
-            const cache_dir = try std.fs.path.join(self.builder.allocator, &[_][]const u8{ self.builder.cache_root.path.?, "o", try std.fmt.allocPrint(self.builder.allocator, "{x}", .{cache_hash}) });
+            const cache_dir = try std.fs.path.join(self.builder.allocator, &[_][]const u8{ self.builder.cache_root.path.?, "o", try std.fmt.allocPrint(self.builder.allocator, "{s}", .{std.fmt.bytesToHex(cache_hash, .lower)}) });
 
             const cached_model_dir = try std.fs.path.join(
                 self.builder.allocator,