diff --git a/.github/workflows/js.yml b/.github/workflows/js.yml
index d13edf3..c90ab30 100644
--- a/.github/workflows/js.yml
+++ b/.github/workflows/js.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     env:
-      EMSCRIPTEN_VERSION: '4.0.19'
+      EMSCRIPTEN_VERSION: '4.0.20'
     steps:
       - uses: actions/checkout@v5
         with: