diff --git a/Dockerfile b/Dockerfile
index 7e4eb13..31ab0de 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM emscripten/emsdk:3.0.0
+FROM emscripten/emsdk:3.1.3
 RUN apt-get update && apt-get install -qqy autoconf autopoint pkg-config
 WORKDIR /src
 ENV EM_CACHE /src/deps/.emcache