diff --git a/codex-rs/.cargo/config.toml b/codex-rs/.cargo/config.toml
index 5d5eb8fd6f..8a6f2c11ee 100644
--- a/codex-rs/.cargo/config.toml
+++ b/codex-rs/.cargo/config.toml
@@ -1,5 +1,5 @@
 [target.'cfg(all(windows, target_env = "msvc"))']
-rustflags = ["-C", "link-arg=/STACK:8388608"]
+rustflags = ["-C", "link-arg=/STACK:8388608", "-C", "target-feature=+crt-static"]
 
 # MSVC emits a warning about code that may trip "Cortex-A53 MPCore processor bug #843419" (see
 # https://developer.arm.com/documentation/epm048406/latest) which is sometimes emitted by LLVM.