diff --git a/pyproject.toml b/pyproject.toml
index 70b84f8f..21887d53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
     "scikit-image==0.23.2",
     "shapely==2.1.1",
     "trimesh==3.18.1",
-    "zarr==2.18.2",
+    "zarr==3.1.6",
     "numcodecs==0.15.0",
     "cloud-volume==11.0.0",
     "lxml==6.1.0",
diff --git a/requirements.txt b/requirements.txt
index 1701b215..c2f0bfcb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ tifffile==2024.9.20
 trimesh==3.18.1
 vedo==2023.4.7
 vtk==9.3.1
-zarr==2.18.2
+zarr==3.1.6