diff --git a/Dockerfile b/Dockerfile
index 526ca05..60a886d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,4 @@
-FROM emscripten/emsdk:2.0.26
-# Update to tot to include EM_ASYNC_JS; remove once 2.0.27 is out:
-RUN emsdk install tot
+FROM emscripten/emsdk:2.0.27
 RUN apt-get update && apt-get install -qqy autoconf autopoint pkg-config
 WORKDIR /src
 ENV EM_CACHE /src/deps/.emcache