diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f04e5cd..c366594 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -151,9 +151,6 @@ jobs:
 
   emscripten:
     strategy:
-      matrix:
-        include:
-          - emscripten_version: 3.1.27
       fail-fast: false
     runs-on: ubuntu-latest
     steps:
@@ -174,25 +171,19 @@ jobs:
       - name: install emscripten
         shell: bash -l {0}
         run: |
-          git clone https://github.com/emscripten-core/emsdk.git
-          cd emsdk
-          ./emsdk install ${{ matrix.emscripten_version }}
-          source ./emsdk_env.sh
-
-      #- name: install playwright
-      #  shell: bash -l {0}
-      #  run: |
-      #    playwright install
-
-      #- name: run emscripten tests
-      #  shell: bash -l {0}
-      #  run: |
-      #    cd  emsdk
-      #    ./emsdk activate ${{ matrix.emscripten_version }}
-      #    source ./emsdk_env.sh
-      #    cd ..
-      #    chmod +x ./test/emscripten/test_emscripten.sh
-      #    ./test/emscripten/test_emscripten.sh
+          $MAMBA_EXE install  -c conda-forge -c https://repo.prefix.dev/emscripten-forge-dev \
+          emscripten_emscripten-wasm32 --yes
+
+      - name: install playwright
+        shell: bash -l {0}
+        run: |
+          playwright install
+
+      - name: run emscripten tests
+        shell: bash -l {0}
+        run: |
+          chmod +x ./test/emscripten/test_emscripten.sh
+          ./test/emscripten/test_emscripten.sh
 
   docs:
     strategy:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6165feb..863f4b8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,6 +81,11 @@ endif()
 # Flags
 ################################################################
 if(EMSCRIPTEN)
+    # extra flags to ensure runtime methods are exported
+    set(EMS"SHELL: -s EXTRA_EXPORTED_RUNTIME_METHODS=['FS','PATH','loadDynamicLibrary']")
+    target_compile_options(xplugin_host INTERFACE ${EMS})
+    target_link_options(xplugin_host INTERFACE ${EMS})
+
     # compiler flags
     set_target_properties(xplugin_host PROPERTIES COMPILE_FLAGS "-s MAIN_MODULE=1")
     set_target_properties(xplugin_plugin PROPERTIES COMPILE_FLAGS "-s SIDE_MODULE=1")
diff --git a/environment_emscripten.yml b/environment_emscripten.yml
index cc31667..7aff05e 100644
--- a/environment_emscripten.yml
+++ b/environment_emscripten.yml
@@ -6,4 +6,4 @@ channels:
 dependencies:
   - cmake
   - python
-  - microsoft::playwright
+  - microsoft::playwright <= 1.50