diff --git a/.github/workflows/emscripten.yaml b/.github/workflows/emscripten.yaml
index c3d37f28..12b8d6e6 100644
--- a/.github/workflows/emscripten.yaml
+++ b/.github/workflows/emscripten.yaml
@@ -26,11 +26,11 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install pyodide-build
         run: |
-          pip install pyodide-build==0.25.1
+          pip install pyodide-build==0.26.1
           echo EMSCRIPTEN_VERSION=$(pyodide config get emscripten_version) >> $GITHUB_ENV
 
       - uses: mymindstorm/setup-emsdk@v14
@@ -39,7 +39,7 @@ jobs:
           actions-cache-folder: emsdk-cache
 
       - name: Build
-        run: CFLAGS=-fexceptions LDFLAGS=-fexceptions pyodide build --exports whole_archive
+        run: CXXFLAGS=-fexceptions LDFLAGS=-fexceptions pyodide build --exports whole_archive
 
       - uses: actions/setup-node@v4
         with: