diff --git a/setup.py b/setup.py
index eb02397b44..bbd481b713 100644
--- a/setup.py
+++ b/setup.py
@@ -60,7 +60,7 @@
     "numpy>=1.22,<3",
     "pandas>=1.4.3,<2",
     "pandavro==1.5.*", # For some reason pandavro higher than 1.5.* only support pandas less than 1.3.
-    "protobuf>3.20,<4",
+    "protobuf==3.19.1",
     "proto-plus>=1.20.0,<2",
     "pyarrow>=4,<9",
     "pydantic>=1,<2",