diff --git a/requirements-min.txt b/requirements-min.txt
index ca904d2c7..670632fd5 100644
--- a/requirements-min.txt
+++ b/requirements-min.txt
@@ -1,9 +1,9 @@
 # minimum versions of package dependencies for installing HDMF
-h5py==2.10.0
+h5py==3.1.0
 jsonschema==3.2.0
 numpy==1.19.3
 pandas==1.2.0
 ruamel.yaml==0.16.0
 scipy==1.7.0
 tqdm==4.41.0
-zarr==2.8.0
+zarr==2.12.0