diff --git a/.gitignore b/.gitignore
index 5f85011..4c91142 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ libs/
 src/git_version.zig
 zig-out
 core
+.zig-cache
diff --git a/build.zig b/build.zig
index c12fc76..af529fa 100644
--- a/build.zig
+++ b/build.zig
@@ -72,7 +72,7 @@ pub fn build(b: *Builder) !void {
     // It relies on code gen and is all fouled up when getting imported
     const exe = b.addExecutable(.{
         .name = "demo",
-        .root_source_file = .{ .path = "src/main.zig" },
+        .root_source_file = b.path("src/main.zig"),
         .target = target,
         .optimize = optimize,
     });
@@ -86,13 +86,13 @@ pub fn build(b: *Builder) !void {
 
     // Expose module to others
     _ = b.addModule("aws", .{
-        .root_source_file = .{ .path = "src/aws.zig" },
+        .root_source_file = b.path("src/aws.zig"),
         .imports = &.{.{ .name = "smithy", .module = smithy_module }},
     });
 
     // Expose module to others
     _ = b.addModule("aws-signing", .{
-        .root_source_file = .{ .path = "src/aws_signing.zig" },
+        .root_source_file = b.path("src/aws_signing.zig"),
         .imports = &.{.{ .name = "smithy", .module = smithy_module }},
     });
     // TODO: This does not work correctly due to https://github.com/ziglang/zig/issues/16354
@@ -122,7 +122,7 @@ pub fn build(b: *Builder) !void {
 
         const cg_exe = b.addExecutable(.{
             .name = "codegen",
-            .root_source_file = .{ .path = "codegen/src/main.zig" },
+            .root_source_file = b.path("codegen/src/main.zig"),
             // We need this generated for the host, not the real target
             .target = b.host,
             .optimize = if (b.verbose) .Debug else .ReleaseSafe,
@@ -197,7 +197,7 @@ pub fn build(b: *Builder) !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/aws.zig" },
+            .root_source_file = b.path("src/aws.zig"),
             .target = b.resolveTargetQuery(t),
             .optimize = optimize,
         });
diff --git a/build.zig.zon b/build.zig.zon
index c37a209..33e0a5e 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -2,15 +2,17 @@
     .name = "aws",
     .version = "0.0.1",
     .paths = .{
-      "build.zig",
-      "build.zig.zon",
-      "src",
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        "README.md",
+        "LICENSE.md",
     },
 
     .dependencies = .{
         .smithy = .{
-            .url = "https://git.lerch.org/lobo/smithy/archive/1e534201c4df5ea4f615faeedc69d414adbec0b1.tar.gz",
-            .hash = "1220af63ae0498010004af79936cedf3fe6702f516daab77ebbd97a274eba1b42aad",
+            .url = "https://git.lerch.org/lobo/smithy/archive/6083ceefe262bb016033a7dfbd995968c86b48b2.tar.gz",
+            .hash = "122036fbf9a1aae606de5e1a622d7dbbc37338d0fad7a4a018920c1365a1c49ba497",
         },
         .models = .{
             .url = "https://github.com/aws/aws-sdk-go-v2/archive/58cf6509525a12d64fd826da883bfdbacbd2f00e.tar.gz",
diff --git a/codegen/src/main.zig b/codegen/src/main.zig
index 75a0852..1556204 100644
--- a/codegen/src/main.zig
+++ b/codegen/src/main.zig
@@ -34,7 +34,7 @@ pub fn main() anyerror!void {
             models_dir = try std.fs.cwd().openDir(args[i + 1], .{ .iterate = true });
     }
     // TODO: Seems like we should remove this in favor of a package
-    try output_dir.writeFile("json.zig", json_zig);
+    try output_dir.writeFile(.{ .sub_path = "json.zig", .data = json_zig });
 
     // TODO: We need a different way to handle this file...
     const manifest_file_started = false;
@@ -123,11 +123,11 @@ fn processDirectories(models_dir: std.fs.Dir, output_dir: std.fs.Dir) !void {
     // re-calculate so we can store the manifest
     model_digest = calculated_manifest.model_dir_hash_digest;
     calculated_manifest = try calculateDigests(models_dir, output_dir, &thread_pool);
-    try output_dir.writeFile("output_manifest.json", try std.json.stringifyAlloc(
+    try output_dir.writeFile(.{ .sub_path = "output_manifest.json", .data = try std.json.stringifyAlloc(
         allocator,
         calculated_manifest,
         .{ .whitespace = .indent_2 },
-    ));
+    ) });
 }
 
 var model_digest: ?[Hasher.hex_multihash_len]u8 = null;
diff --git a/src/main.zig b/src/main.zig
index 755d771..811dca9 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -32,8 +32,8 @@ pub fn log(
     const prefix = "[" ++ @tagName(level) ++ "] " ++ scope_prefix;
 
     // Print the message to stderr, silently ignoring any errors
-    std.debug.getStderrMutex().lock();
-    defer std.debug.getStderrMutex().unlock();
+    std.debug.lockStdErr();
+    defer std.debug.unlockStdErr();
     const stderr = std.io.getStdErr().writer();
     nosuspend stderr.print(prefix ++ format ++ "\n", args) catch return;
 }