diff --git a/ci/upstream.yml b/ci/upstream.yml
index 035d76f8..51b5b8dc 100644
--- a/ci/upstream.yml
+++ b/ci/upstream.yml
@@ -26,5 +26,4 @@ dependencies:
   - pip
   - pip:
     - icechunk # Installs zarr v3 as dependency
-    - git+https://github.com/zarr-developers/numcodecs@zarr3-codecs  # zarr-v3 compatibility branch
     # - git+https://github.com/fsspec/kerchunk@main  # kerchunk is currently incompatible with zarr-python v3 (https://github.com/fsspec/kerchunk/pull/516)