diff --git a/snappy_wrappers/wrappers/gcnv/merge_multikit_families/environment.yaml b/snappy_wrappers/wrappers/gcnv/merge_multikit_families/environment.yaml
index e77a33db3..f4f8acb6e 100644
--- a/snappy_wrappers/wrappers/gcnv/merge_multikit_families/environment.yaml
+++ b/snappy_wrappers/wrappers/gcnv/merge_multikit_families/environment.yaml
@@ -2,7 +2,7 @@ channels:
   - conda-forge
   - bioconda
 dependencies:
-  - attr
+  - attrs
   - logzero
   - ncls
   - pandas