diff --git a/setup.py b/setup.py
index 36ab46a..56d463d 100644
--- a/setup.py
+++ b/setup.py
@@ -41,6 +41,7 @@
         "pymatgen>=2023.05.31",
         "setuptools",
         "mp-api!=0.34.0",  # bug: boto3 added as an unnecessary requirement (https://github.com/materialsproject/pymatgen/issues/3241, https://github.com/materialsproject/api/pull/836)
+        "botocore",  # mp-api requirement, not listed in setup.py in v0.34.0,1
     ],
     extras_require={
         "tests": [