diff --git a/.zig-version b/.zig-version
index 0008f35..ac454c6 100644
--- a/.zig-version
+++ b/.zig-version
@@ -1 +1 @@
-0.12.0-dev.2541+894493549
+0.12.0
diff --git a/build.zig b/build.zig
index e0da4f8..d4832c9 100644
--- a/build.zig
+++ b/build.zig
@@ -63,6 +63,17 @@ pub fn build(b: *std.Build) void {
     const dylib_header = b.addInstallFile(.{ .path = "zig-cache/fastlanez.h" }, "include/fastlanez.h");
     dylib_header.step.dependOn(&dylib.step);
 
+    // Freestanding Executable (required for WASM)
+    const freestanding = b.addExecutable(.{
+        .name = "fastlanez",
+        .target = target,
+        .optimize = optimize,
+        .root_source_file = .{ .path = "src/lib.zig" },
+    });
+    freestanding.rdynamic = true;
+    freestanding.entry = .disabled;
+    const freestanding_install = b.addInstallArtifact(freestanding, .{});
+
     const lib_step = b.step("lib", "Build static C library");
     lib_step.dependOn(&lib_header.step);
     lib_step.dependOn(&lib_install.step);
@@ -71,6 +82,9 @@ pub fn build(b: *std.Build) void {
     dylib_step.dependOn(&lib_header.step);
     dylib_step.dependOn(&dylib_install.step);
 
+    const freestanding_step = b.step("freestanding", "Build a freestanding executable");
+    freestanding_step.dependOn(&freestanding_install.step);
+
     // Unit Tests
     const unit_tests = b.addTest(.{
         .root_source_file = .{ .path = "src/fastlanez.zig" },
diff --git a/src/lib.zig b/src/lib.zig
index 4592275..6ee8205 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -74,3 +74,5 @@ comptime {
         @export(Wrapper.decode, .{ .name = "fl_delta_decode_" ++ @typeName(E) });
     }
 }
+
+pub fn main() void {}