diff --git a/environment-wasm.yml b/environment-wasm.yml
index a7ea101b2..511154fd1 100644
--- a/environment-wasm.yml
+++ b/environment-wasm.yml
@@ -9,3 +9,4 @@ dependencies:
   - cpp-argparse
   - pugixml
   - doctest
+  - clang-resource-headers