diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b576db8..8244234 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
       if: matrix.name == 'Emscripten'
       uses: mymindstorm/setup-emsdk@v14
       with:
-        version: 3.1.56
+        version: 4.0.21
         no-cache: true
       
     - name: 'Checkout'