diff --git a/harness/pyproject.toml b/harness/pyproject.toml
index 92ea3fe3f17..685009c960a 100644
--- a/harness/pyproject.toml
+++ b/harness/pyproject.toml
@@ -20,8 +20,8 @@ dependencies = [
   "pyzmq>=18.1.0",
   # Common:
   "certifi",
+  "docker>=7.1.0",
   "filelock",
-  "requests<2.32.0",  # TODO(MD-415) remove this pin.
   "google-cloud-storage",
   "lomond>=0.3.3",
   "pathspec>=0.6.0",