Version 1.37.33 to fix 64-bit C++11 atomics in non-multithreaded Wasm builds.
diff --git a/emscripten-version.txt b/emscripten-version.txt
index bb7160d..6062a44 100644
--- a/emscripten-version.txt
+++ b/emscripten-version.txt
@@ -1 +1 @@
-"1.37.32"
+"1.37.33"