diff --git a/crates/loader/emscripten-version b/crates/loader/emscripten-version
index 7636e756..d13e837c 100644
--- a/crates/loader/emscripten-version
+++ b/crates/loader/emscripten-version
@@ -1 +1 @@
-4.0.5
+4.0.6
diff --git a/crates/xtask/src/build_wasm.rs b/crates/xtask/src/build_wasm.rs
index ed6f5251..4da817c9 100644
--- a/crates/xtask/src/build_wasm.rs
+++ b/crates/xtask/src/build_wasm.rs
@@ -150,8 +150,7 @@ pub fn run_wasm(args: &BuildWasm) -> Result<()> {
 
     #[rustfmt::skip]
     emscripten_flags.extend([
-        "-gsource-map",
-        "--source-map-base", ".",
+        "-gsource-map=inline",
         "-fno-exceptions",
         "-std=c11",
         "-s", "WASM=1",