diff --git a/cli/loader/emscripten-version b/cli/loader/emscripten-version
index 6e5f640d..cc868b62 100644
--- a/cli/loader/emscripten-version
+++ b/cli/loader/emscripten-version
@@ -1 +1 @@
-3.1.74
\ No newline at end of file
+4.0.1
\ No newline at end of file