diff --git a/codex-rs/.cargo/config.toml b/codex-rs/.cargo/config.toml
new file mode 100644
index 00000000..f5107cf7
--- /dev/null
+++ b/codex-rs/.cargo/config.toml
@@ -0,0 +1,5 @@
+[target.'cfg(all(windows, target_env = "msvc"))']
+rustflags = ["-C", "link-arg=/STACK:8388608"]
+
+[target.'cfg(all(windows, target_env = "gnu"))']
+rustflags = ["-C", "link-arg=-Wl,--stack,8388608"]