diff --git a/Dockerfile b/Dockerfile
index aacc0fb..8ae3d09 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,20 +1,20 @@
 FROM node:12.14
 
-ENV PATH="/emsdk:/emsdk/emscripten/tag-1.38.21:${PATH}"
+ENV PATH="/emsdk:/emsdk/emscripten/tag-1.38.23:${PATH}"
 ENV EMSDK="/emsdk"
-ENV EM_CONFIG="/root/.emscripten"
-ENV EMSCRIPTEN="/emsdk/emscripten/tag-1.38.21"
-ENV EMSCRIPTEN_NATIVE_OPTIMIZER="/emsdk/emscripten/tag-1.38.21_64bit_optimizer/optimizer"
+ENV EM_CONFIG="/emsdk/.emscripten"
+ENV EMSCRIPTEN="/emsdk/emscripten/tag-1.38.23"
+ENV EMSCRIPTEN_NATIVE_OPTIMIZER="/emsdk/emscripten/tag-1.38.23_64bit_optimizer/optimizer"
 
 RUN apt-get update -qq && apt-get -qqy install \
         cmake git python-dev python-pip && \
     pip install mbed-cli mercurial && \
     git clone https://github.com/emscripten-core/emsdk
 
-RUN emsdk/emsdk install fastcomp-clang-e1.38.21-64bit && \
-    emsdk/emsdk activate fastcomp-clang-e1.38.21-64bit && \
-    emsdk/emsdk install emscripten-tag-1.38.21-64bit && \
-    emsdk/emsdk activate emscripten-tag-1.38.21-64bit
+RUN emsdk/emsdk install fastcomp-clang-e1.38.23-64bit && \
+    emsdk/emsdk activate fastcomp-clang-e1.38.23-64bit && \
+    emsdk/emsdk install emscripten-tag-1.38.23-64bit && \
+    emsdk/emsdk activate emscripten-tag-1.38.23-64bit
 
 ADD . /app