diff --git a/build.zig b/build.zig
index 82c68a8..b744903 100644
--- a/build.zig
+++ b/build.zig
@@ -4,10 +4,10 @@ const builtin = @import("builtin");
 const rt = @import("test/runtime_test.zig");
 const RuntimeStep = rt.RuntimeStep;
 const Allocator = std.mem.Allocator;
-const Builder = std.build.Builder;
+// const Builder = std.build.Builder;
 const Step = std.build.Step;
 const Target = std.Target;
-const CrossTarget = std.zig.CrossTarget;
+const CrossTarget = std.Target.Query;
 const fs = std.fs;
 const File = fs.File;
 const Mode = std.builtin.Mode;
@@ -16,12 +16,12 @@ const ArrayList = std.ArrayList;
 const Fat32 = @import("mkfat32.zig").Fat32;
 
 const x86_i686 = CrossTarget{
-    .cpu_arch = .i386,
+    .cpu_arch = .x86,
     .os_tag = .freestanding,
     .cpu_model = .{ .explicit = &Target.x86.cpu.i686 },
 };
 
-pub fn build(b: *Builder) !void {
+pub fn build(b: *std.Build) !void {
     const target = b.standardTargetOptions(.{ .whitelist = &[_]CrossTarget{x86_i686}, .default_target = x86_i686 });
     const arch = switch (target.getCpuArch()) {
         .i386 => "x86",
@@ -197,7 +197,7 @@ const Fat32BuilderStep = struct {
     step: Step,
 
     /// The builder pointer, also all you need to know
-    builder: *Builder,
+    builder: *std.Build,
 
     /// The path to where the ramdisk will be written to.
     out_file_path: []const u8,
@@ -237,7 +237,7 @@ const Fat32BuilderStep = struct {
     /// Return: *Fat32BuilderStep
     ///     The FAT32 builder step pointer to add to the build process.
     ///
-    pub fn create(builder: *Builder, options: Fat32.Options, out_file_path: []const u8) *Fat32BuilderStep {
+    pub fn create(builder: *std.Build, options: Fat32.Options, out_file_path: []const u8) *Fat32BuilderStep {
         const fat32_builder_step = builder.allocator.create(Fat32BuilderStep) catch unreachable;
         fat32_builder_step.* = .{
             .step = Step.init(.custom, builder.fmt("Fat32BuilderStep", .{}), builder.allocator, make),
@@ -255,7 +255,7 @@ const RamdiskStep = struct {
     step: Step,
 
     /// The builder pointer, also all you need to know
-    builder: *Builder,
+    builder: *std.Build,
 
     /// The target for the build
     target: CrossTarget,
@@ -352,7 +352,7 @@ const RamdiskStep = struct {
     /// Return: *RamdiskStep
     ///     The ramdisk step pointer to add to the build process.
     ///
-    pub fn create(builder: *Builder, target: CrossTarget, files: []const []const u8, out_file_path: []const u8) *RamdiskStep {
+    pub fn create(builder: *std.Build, target: CrossTarget, files: []const []const u8, out_file_path: []const u8) *RamdiskStep {
         const ramdisk_step = builder.allocator.create(RamdiskStep) catch unreachable;
         ramdisk_step.* = .{
             .step = Step.init(.custom, builder.fmt("Ramdisk", .{}), builder.allocator, make),
diff --git a/test/runtime_test.zig b/test/runtime_test.zig
index 6795daf..c9a14e1 100644
--- a/test/runtime_test.zig
+++ b/test/runtime_test.zig
@@ -193,7 +193,7 @@ pub const RuntimeStep = struct {
     ///     Error.TestFailed            - The error if the test failed.
     ///
     fn make(step: *Step) (Thread.SpawnError || ChildProcess.SpawnError || Allocator.Error || Error)!void {
-        const self = @fieldParentPtr(RuntimeStep, "step", step);
+        const self: RuntimeStep = @fieldParentPtr("step", step);
 
         // Create the qemu process
         self.os_proc = try ChildProcess.init(self.argv, self.builder.allocator);
@@ -254,7 +254,7 @@ pub const RuntimeStep = struct {
             };
 
             // put line in the queue
-            var node = self.builder.allocator.create(Node) catch unreachable;
+            const node = self.builder.allocator.create(Node) catch unreachable;
             node.* = .{ .next = null, .data = line };
             self.msg_queue.put(node);
         }