diff --git a/build-environment.yaml b/build-environment.yaml
index 8cfedd4..fc2a008 100644
--- a/build-environment.yaml
+++ b/build-environment.yaml
@@ -4,5 +4,5 @@ channels:
   - https://repo.mamba.pm/emscripten-forge
 dependencies:
   - python
-  - empack == 3.1.0
+  - empack == 3.1.2
   - emscripten