diff --git a/pyproject.toml b/pyproject.toml
index 7e993dac..cbf761c4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,11 +37,11 @@ requires-python = ">=3.10"
 dependencies = [
     "did @ git+https://github.com/VH-Lab/DID-python.git@main",
     "ndr[formats] @ git+https://github.com/VH-lab/NDR-python.git@main",
-    "vhlab-toolbox-python @ git+https://github.com/VH-Lab/vhlab-toolbox-python.git@main",
+    "vhlab-toolbox-python @ https://github.com/VH-Lab/vhlab-toolbox-python/archive/refs/heads/main.zip",
     # ndi.app.oridirtuning needs vhlib.response_stats.neural_response_significance,
     # mirroring NDI-matlab, which calls vhlab-library-matlab directly (see
     # NDI-matlab/src/ndi/docs/developer_notes/vhlabLibraryMatlab.md).
-    "vhlab-library-python @ git+https://github.com/VH-Lab/vhlab-library-python.git@main",
+    "vhlab-library-python @ https://github.com/VH-Lab/vhlab-library-python/archive/refs/heads/main.zip",
     "ndi-compress @ git+https://github.com/Waltham-Data-Science/NDI-compress-python.git@main",
     # ndi.ontology is a re-export of this package -- see src/ndi/ontology.py.
     # It tracks ndi-ontology-matlab, which is where NDI-matlab's ontology code