diff --git a/build.js b/build.js
index ab48404..b288a25 100644
--- a/build.js
+++ b/build.js
@@ -9,5 +9,5 @@ if (!$.which('docker')) {
 
 $.mkdir('-p', 'build')
 $.exec(
-  'docker run --rm -v $(pwd):/src trzeci/emscripten:sdk-tag-1.38.32-64bit emcc -O2 -s WASM=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=\'["cwrap", "setValue"]\' -s ALLOW_MEMORY_GROWTH=1 -s DYNAMIC_EXECUTION=0 -s TEXTDECODER=0 -s MODULARIZE=1 -s ENVIRONMENT=\'web\' -s EXPORT_NAME="emscripten" --pre-js \'./pre.js\' -o ./build/module.js ./src/main.c',
+  'docker run --rm -v $(pwd):/src emscripten/emsdk emcc -O2 -s WASM=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=\'["cwrap", "setValue"]\' -s ALLOW_MEMORY_GROWTH=1 -s DYNAMIC_EXECUTION=0 -s TEXTDECODER=0 -s MODULARIZE=1 -s ENVIRONMENT=\'web\' -s EXPORT_NAME="emscripten" --pre-js \'./pre.js\' -o ./build/module.js ./src/main.c',
 )