diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0bf5d2d..6701de7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,6 +29,7 @@ jobs:
           path: build/firmware.uf2
 
   build-simulator:
+    if: ${{ false }} # simulator is not yet supported
     container:
       image: emscripten/emsdk
     runs-on: ubuntu-latest