diff --git a/bin/build_all.sh b/bin/build_all.sh
index 96d6dac55..10c476018 100755
--- a/bin/build_all.sh
+++ b/bin/build_all.sh
@@ -28,7 +28,7 @@ cd ../../../../ || exit 1
 ./bin/build_wasm_emscripten.sh || exit 1
 
 # build web worker
-npm install || exit 1
+npm install --force || exit 1
 ./bin/build_web_worker.sh || exit 1
 
 # build browser tests