diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index bf632c4..479368c 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -14,9 +14,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
-          version: 0.15.2
+          version: 0.17.0
 
       - name: Build Demo
         run: |
diff --git a/.gitignore b/.gitignore
index 328e5dd..6a420b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 .zig-cache/
 zig-out/
 disk.img
-disk.img
 zig-pkg
diff --git a/build.zig b/build.zig
index 8dc211a..b50d9fd 100644
--- a/build.zig
+++ b/build.zig
@@ -217,6 +217,7 @@ pub fn build(b: *std.Build) void {
         .c_source_file = b.path("fatfs.h"),
         .target = target,
         .optimize = optimize,
+        .default_init = true,
     });
     t.mod.addCSourceFiles(.{
         .root = upstream_copy_dir,
diff --git a/build.zig.zon b/build.zig.zon
index 9039b03..dd3edd9 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -2,11 +2,11 @@
     .name = .zfat,
     .fingerprint = 0x4212c7b5f54ad348,
     .version = "0.0.1",
-    .minimum_zig_version = "0.17.0-dev.1471+ff10b90bc",
+    .minimum_zig_version = "0.17.0",
     .dependencies = .{
         .translate_c = .{
-            .url = "git+https://codeberg.org/ziglang/translate-c#2a6613bcc09c74296d785e660fe98d2eb310d760",
-            .hash = "translate_c-0.0.0-Q_BUWjQ7BwAhlMt3Zf4l3Jw-y0_TOpJWgcK8rk4d0aWv",
+            .url = "git+https://codeberg.org/ziglang/translate-c?ref=zig-0.17.x#02ff0c523fb92a38939b04d0145c4a9602a74d56",
+            .hash = "translate_c-2.0.0-Q_BUWltOBwBYABF84EUL208pIFeUIwbBs29FmVBaafN5",
         },
     },
     .paths = .{
@@ -15,5 +15,6 @@
         "src",
         "test",
         "vendor",
+        "fatfs.h",
     },
 }
diff --git a/test/build.zig b/test/build.zig
index eadf972..3d265a2 100644
--- a/test/build.zig
+++ b/test/build.zig
@@ -28,12 +28,14 @@ pub fn build(b: *std.Build) void {
 
     const op_tester = b.addExecutable(.{
         .name = "zfat-op-tester",
-        .target = target,
-        .optimize = optimize,
-        .root_source_file = b.path("op_tester.zig"),
+        .root_module = b.createModule(.{
+            .target = target,
+            .optimize = optimize,
+            .root_source_file = b.path("op_tester.zig"),
+            .link_libc = true,
+        }),
     });
     op_tester.root_module.addImport("zfat", zfat_mod);
-    op_tester.linkLibC();
 
     b.installArtifact(op_tester);
 }
diff --git a/test/op_tester.zig b/test/op_tester.zig
index 081047b..e471498 100644
--- a/test/op_tester.zig
+++ b/test/op_tester.zig
@@ -9,9 +9,9 @@ const zfat = @import("zfat");
 var global_fs: [5]zfat.FileSystem = undefined;
 
 // requires pointer stability
-var ramdisks = [1]RamDisk{.{}} ** 5;
+var ramdisks: [5]RamDisk = @splat(.{});
 
-pub const std_options = std.Options{
+pub const std_options: std.Options = .{
     .log_level = .info,
 };
 
@@ -242,7 +242,11 @@ fn writeFile(path: zfat.Path, contents: []const u8) !void {
     var file = try zfat.File.create(path);
     defer file.close();
 
-    try file.writer().writeAll(contents);
+    var buff: [1024]u8 = undefined;
+    var file_writer = file.writer(&buff);
+
+    try file_writer.writer.writeAll(contents);
+    try file_writer.writer.flush();
 }
 
 pub const RamDisk = struct {
@@ -257,6 +261,10 @@ pub const RamDisk = struct {
     },
     sectors: [][sector_size]u8 = &.{},
 
+    fn sectorsBytes(self: *RamDisk) []u8 {
+        return std.mem.sliceAsBytes(self.sectors);
+    }
+
     pub fn init(rd: *RamDisk, sector_count: usize) !void {
         rd.* = .{};
         rd.sectors = try std.heap.page_allocator.alloc([sector_size]u8, sector_count);
@@ -271,7 +279,7 @@ pub const RamDisk = struct {
 
     pub fn getStatus(interface: *zfat.Disk) zfat.Disk.Status {
         const self: *RamDisk = @fieldParentPtr("interface", interface);
-        return zfat.Disk.Status{
+        return .{
             .initialized = (self.sectors.len > 0),
             .disk_present = true,
             .write_protected = false,
@@ -288,9 +296,13 @@ pub const RamDisk = struct {
 
         std.log.debug("read({*}, {}, {})", .{ buff, sector, count });
 
-        var sectors = std.io.fixedBufferStream(std.mem.sliceAsBytes(self.sectors));
-        sectors.seekTo(sector * sector_size) catch return error.IoError;
-        sectors.reader().readNoEof(buff[0 .. sector_size * count]) catch return error.IoError;
+        const bytes = sector_size * count;
+        const start = sector * sector_size;
+        const disk = self.sectorsBytes();
+        if (start > disk.len) return error.IoError;
+
+        var sectors = std.Io.Reader.fixed(disk[start..]);
+        sectors.readSliceAll(buff[0..bytes]) catch return error.IoError;
     }
 
     pub fn write(interface: *zfat.Disk, buff: [*]const u8, sector: zfat.LBA, count: c_uint) zfat.Disk.Error!void {
@@ -298,9 +310,13 @@ pub const RamDisk = struct {
 
         std.log.debug("write({*}, {}, {})", .{ buff, sector, count });
 
-        var sectors = std.io.fixedBufferStream(std.mem.sliceAsBytes(self.sectors));
-        sectors.seekTo(sector * sector_size) catch return error.IoError;
-        sectors.writer().writeAll(buff[0 .. sector_size * count]) catch return error.IoError;
+        const bytes = sector_size * count;
+        const start = sector * sector_size;
+        const disk = self.sectorsBytes();
+        if (start > disk.len) return error.IoError;
+
+        var sectors = std.Io.Writer.fixed(disk[start..]);
+        sectors.writeAll(buff[0..bytes]) catch return error.IoError;
     }
 
     pub fn ioctl(interface: *zfat.Disk, cmd: zfat.IoCtl, buff: [*]u8) zfat.Disk.Error!void {