diff --git a/environment-wasm.yml b/environment-wasm.yml
index a7ea101b2..69ada0756 100644
--- a/environment-wasm.yml
+++ b/environment-wasm.yml
@@ -1,9 +1,11 @@
 name: CppInterOp-wasm
 channels:
-  - https://repo.prefix.dev/emscripten-forge-dev
+  - https://prefix.dev/emscripten-forge-dev
+  - https://prefix.dev/conda-forge
 dependencies:
   - emscripten-abi==3.1.73
-  - nlohmann_json=3.12.0
+  - nlohmann_json
+  - nlohmann_json-abi
   - xeus-lite
   - xeus
   - cpp-argparse