diff --git a/.zigversion b/.zigversion
index 867eba6..cea483f 100644
--- a/.zigversion
+++ b/.zigversion
@@ -1 +1 @@
-0.14.0-dev.1911+3bf89f55c
\ No newline at end of file
+0.14.0-dev.2563+af5e73172
diff --git a/build.zig b/build.zig
index f11211a..da40ecc 100644
--- a/build.zig
+++ b/build.zig
@@ -54,7 +54,7 @@ pub fn build(b: *std.Build) void {
             .optimize = optimize,
         });
         if (target.result.os.tag == .windows) {
-            lib.defineCMacro("JPC_API", "extern __declspec(dllexport)");
+            lib.root_module.addCMacro("JPC_API", "extern __declspec(dllexport)");
         }
         break :blk lib;
     } else b.addStaticLibrary(.{