diff --git a/.github/workflows/zig-build.yaml b/.github/workflows/zig-build.yaml
index f3876b3..3ead6ab 100644
--- a/.github/workflows/zig-build.yaml
+++ b/.github/workflows/zig-build.yaml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: elerch/setup-zig@v3
         with:
-          version: 0.12.0
+          version: 0.13.0
       - uses: elerch/zig-action-cache@v1.1.6
       - name: Build project
         run: zig build --summary all
diff --git a/.gitignore b/.gitignore
index 1b80de7..9e7c4c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ zig-out/
 core
 src/worker_name.txt
 *.wasm
+.zig-cache
diff --git a/build.zig b/build.zig
index 6e3f3ca..439cb8d 100644
--- a/build.zig
+++ b/build.zig
@@ -20,7 +20,7 @@ pub fn build(b: *std.Build) void {
         .name = "zigwasi",
         // In this case the main source file is merely a path, however, in more
         // complicated build scripts, this could be a generated file.
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .target = target,
         .optimize = optimize,
     });
@@ -47,7 +47,7 @@ pub fn build(b: *std.Build) void {
         run_cmd.addArgs(args);
     }
 
-    const deploy_cmd = CloudflareDeployStep.create(b, "zigwasi", .{ .path = "index.js" }, .{ .compile_target = exe });
+    const deploy_cmd = CloudflareDeployStep.create(b, "zigwasi", b.path("index.js"), .{ .compile_target = exe });
 
     // This creates a build step. It will be visible in the `zig build --help` menu,
     // and can be selected like this: `zig build run`
@@ -63,7 +63,7 @@ pub fn build(b: *std.Build) void {
     // Creates a step for unit testing. This only builds the test executable
     // but does not run it.
     const unit_tests = b.addTest(.{
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .target = target,
         .optimize = optimize,
     });
@@ -83,7 +83,7 @@ pub fn configureBuild(b: *std.Build, cs: *std.Build.Step.Compile, function_name:
     const deploy_cmd = CloudflareDeployStep.create(
         b,
         function_name,
-        .{ .path = "index.js" },
+        b.path("index.js"),
         .{
             .primary_file_data = script,
             .wasm_name = .{
diff --git a/src/CloudflareDeployStep.zig b/src/CloudflareDeployStep.zig
index dbed8be..61cec83 100644
--- a/src/CloudflareDeployStep.zig
+++ b/src/CloudflareDeployStep.zig
@@ -51,7 +51,7 @@ pub fn create(
     return self;
 }
 
-fn make(step: *std.Build.Step, prog_node: *std.Progress.Node) !void {
+fn make(step: *std.Build.Step, prog_node: std.Progress.Node) !void {
     _ = prog_node;
     const b = step.owner;
     const self = @as(*CloudflareDeployStep, @fieldParentPtr("step", step));
@@ -66,7 +66,7 @@ fn make(step: *std.Build.Step, prog_node: *std.Progress.Node) !void {
     defer client.deinit();
 
     const script = self.options.primary_file_data orelse
-        try std.fs.cwd().readFileAlloc(b.allocator, self.primary_javascript_path.path, std.math.maxInt(usize));
+        try std.fs.cwd().readFileAlloc(b.allocator, self.primary_javascript_path.src_path.sub_path, std.math.maxInt(usize));
     defer if (self.options.primary_file_data == null) b.allocator.free(script);
 
     var final_script = script;