diff --git a/build.zig b/build.zig
index 59036c2d9b5d2b3660df29c05b78488d2126d986..2432d1dc657d345948b14b11e6900f29710c6bea 100644
--- a/build.zig
+++ b/build.zig
@@ -3,13 +3,15 @@ const deps = @import("./deps.zig");
 
 pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
-    const mode = b.option(std.builtin.Mode, "mode", "") orelse .Debug;
+    const mode = b.option(std.builtin.OptimizeMode, "mode", "") orelse .Debug;
     const disable_llvm = b.option(bool, "disable_llvm", "use the non-llvm zig codegen") orelse false;
 
     const t = b.addTest(.{
-        .root_source_file = b.path("test.zig"),
-        .target = target,
-        .optimize = mode,
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("test.zig"),
+            .target = target,
+            .optimize = mode,
+        }),
     });
     deps.addAllTo(t);
     t.use_llvm = !disable_llvm;
diff --git a/licenses.txt b/licenses.txt
index e1193d64513fd06a1ca0e6e6a5ef031ed3657953..f71da1bf71dbf050a2f3371f14fefb1f4051a397 100644
--- a/licenses.txt
+++ b/licenses.txt
@@ -6,5 +6,9 @@ MIT:
 - git https://github.com/nektro/zig-sys-darwin
 - git https://github.com/nektro/zig-sys-linux
 
+MPL-2.0:
+= https://spdx.org/licenses/MPL-2.0
+- git https://github.com/nektro/zig-nio
+
 Unspecified:
 - system_lib c