diff --git a/requirements.txt b/requirements.txt
index cce3e2353..95d144b36 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
 # Requirements for linting, building, and uploading the PGV python package to PyPI.
 # The package's own requirements are in python/setup.cfg (and also in python/requirements.in).
 flake8==7.3.0
-isort==6.1.0
+isort==7.0.0
 build==1.3.0
 twine==6.2.0
 wheel==0.45.1
 setuptools==80.9.0
-protobuf==6.32.1
+protobuf==6.33.0
 setuptools_scm[toml]>=6.2