diff --git a/build.rs b/build.rs
index 6acf74e1a..afda72a1c 100644
--- a/build.rs
+++ b/build.rs
@@ -175,7 +175,14 @@ fn link_in_librustix_outline(arch: &str, asm_name: &str) {
     #[cfg(feature = "cc")]
     {
         let out_dir = var("OUT_DIR").unwrap();
-        Build::new().file(&asm_name).compile(&name);
+        // Add `-gdwarf-3` so that we always get the same output, regardless
+        // of the Rust version we're using.
+        let mut build = Build::new();
+        if profile == "debug" {
+            build.flag("-gdwarf-3");
+        }
+        build.file(&asm_name);
+        build.compile(&name);
         println!("cargo:rerun-if-changed={}", asm_name);
         if std::fs::metadata(".git").is_ok() {
             let from = format!("{}/lib{}.a", out_dir, name);
diff --git a/src/backend/linux_raw/arch/outline/debug/librustix_outline_aarch64.a b/src/backend/linux_raw/arch/outline/debug/librustix_outline_aarch64.a
index a6ea6670e..ceea3cd20 100644
Binary files a/src/backend/linux_raw/arch/outline/debug/librustix_outline_aarch64.a and b/src/backend/linux_raw/arch/outline/debug/librustix_outline_aarch64.a differ
diff --git a/src/backend/linux_raw/arch/outline/debug/librustix_outline_arm.a b/src/backend/linux_raw/arch/outline/debug/librustix_outline_arm.a
index e7def3073..07ab58bc5 100644
Binary files a/src/backend/linux_raw/arch/outline/debug/librustix_outline_arm.a and b/src/backend/linux_raw/arch/outline/debug/librustix_outline_arm.a differ
diff --git a/src/backend/linux_raw/arch/outline/debug/librustix_outline_powerpc64.a b/src/backend/linux_raw/arch/outline/debug/librustix_outline_powerpc64.a
index 9037771dd..5326f37d6 100644
Binary files a/src/backend/linux_raw/arch/outline/debug/librustix_outline_powerpc64.a and b/src/backend/linux_raw/arch/outline/debug/librustix_outline_powerpc64.a differ
diff --git a/src/backend/linux_raw/arch/outline/debug/librustix_outline_riscv64.a b/src/backend/linux_raw/arch/outline/debug/librustix_outline_riscv64.a
index 14d7740cf..e2cbdd72a 100644
Binary files a/src/backend/linux_raw/arch/outline/debug/librustix_outline_riscv64.a and b/src/backend/linux_raw/arch/outline/debug/librustix_outline_riscv64.a differ
diff --git a/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86.a b/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86.a
index fac944e0d..6741a82e9 100644
Binary files a/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86.a and b/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86.a differ
diff --git a/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86_64.a b/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86_64.a
index b45d87ed2..c0de84f6f 100644
Binary files a/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86_64.a and b/src/backend/linux_raw/arch/outline/debug/librustix_outline_x86_64.a differ