diff --git a/.github/workflows/deploy-github-page.yml b/.github/workflows/deploy-github-page.yml
index d79b2adb..a350e1c5 100644
--- a/.github/workflows/deploy-github-page.yml
+++ b/.github/workflows/deploy-github-page.yml
@@ -46,7 +46,7 @@ jobs:
           set -e
           micromamba create -f environment-wasm-host.yml \
           --platform=emscripten-wasm32 \
-          -c https://prefix.dev/emscripten-forge-4x \
+          -c https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
           -c https://prefix.dev/conda-forge
 
           mkdir build
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 809a3954..b27b06a6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -244,7 +244,7 @@ jobs:
           set -e
           micromamba create -f environment-wasm-host.yml \
           --platform=emscripten-wasm32 \
-          -c https://prefix.dev/emscripten-forge-4x \
+          -c https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
           -c https://prefix.dev/conda-forge
           
           mkdir build
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6b3fb9d7..eb7e00e3 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -76,7 +76,7 @@ You are now in a position to build the xeus-cpp kernel. You build and test it in
 ```bash
 micromamba create -f environment-wasm-host.yml \
 --platform=emscripten-wasm32 \
--c https://prefix.dev/emscripten-forge-4x \
+-c https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
 -c https://prefix.dev/conda-forge
 
 mkdir build
diff --git a/README.md b/README.md
index 175bdcef..7739c8b3 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ You are now in a position to build the xeus-cpp kernel. You build and test it in
 ```bash
 micromamba create -f environment-wasm-host.yml \
 --platform=emscripten-wasm32 \
--c https://prefix.dev/emscripten-forge-4x \
+-c https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
 -c https://prefix.dev/conda-forge
 
 mkdir build
diff --git a/docs/source/InstallationAndUsage.rst b/docs/source/InstallationAndUsage.rst
index 13dd7d94..fd8f951d 100644
--- a/docs/source/InstallationAndUsage.rst
+++ b/docs/source/InstallationAndUsage.rst
@@ -72,7 +72,7 @@ You are now in a position to build the xeus-cpp kernel. You build and test it in
 
     micromamba create -f environment-wasm-host.yml \
     --platform=emscripten-wasm32 \
-    -c https://prefix.dev/emscripten-forge-4x \
+    -c https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
     -c https://prefix.dev/conda-forge
 
     mkdir build
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 462202b1..c20200e6 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -21,7 +21,7 @@
 micromamba activate xeus-cpp-wasm-build;
 micromamba create -f environment-wasm-host.yml \
 --platform=emscripten-wasm32 \
--c https://prefix.dev/emscripten-forge-4x \
+-c https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
 -c https://prefix.dev/conda-forge
 mkdir -p build;
 cd build;
diff --git a/environment-wasm-build.yml b/environment-wasm-build.yml
index be953293..51a73be4 100644
--- a/environment-wasm-build.yml
+++ b/environment-wasm-build.yml
@@ -1,7 +1,7 @@
 name: xeus-cpp-wasm-build
 channels:
-  - https://prefix.dev/emscripten-forge-4x
+  - https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x
   - https://prefix.dev/conda-forge
 dependencies:
   - cmake
-  - emscripten_emscripten-wasm32==4.0.9
\ No newline at end of file
+  - emscripten_emscripten-wasm32==6.0.8
diff --git a/environment-wasm-host.yml b/environment-wasm-host.yml
index 19dff644..14d7cfe3 100644
--- a/environment-wasm-host.yml
+++ b/environment-wasm-host.yml
@@ -1,13 +1,13 @@
 name: xeus-cpp-wasm-host
 channels:
-  - https://prefix.dev/emscripten-forge-4x
+  - https://prefix.dev/emscripten-forge-bot/emscripten-forge-6x
   - https://prefix.dev/conda-forge
 dependencies:
   - nlohmann_json
   - nlohmann_json-abi
-  - xeus-lite
+  - xeus-lite-static
   - xeus
   - cppinterop>=1.9
   - cpp-argparse
-  - pugixml
+  - pugixml-static
   - doctest
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 66cb05aa..7ccf116e 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -65,7 +65,6 @@ if(EMSCRIPTEN)
     target_link_options(test_xeus_cpp
         PUBLIC "SHELL: ${XEUS_CPP_WASM_KERNEL_EXTRA_FLAGS}"
         PUBLIC "SHELL: -s MAIN_MODULE=1"
-        PUBLIC "SHELL: -s WASM_BIGINT"
         PUBLIC "SHELL: -s ASSERTIONS=0"
         PUBLIC "SHELL: -s ALLOW_MEMORY_GROWTH=1"
         PUBLIC "SHELL: -s STACK_SIZE=32mb"