diff --git a/requirements.txt b/requirements.txt
index bdfac55c50..de0608d93f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ packaging<25.0
 pandas<2.2.4
 pillow<11.1.0
 pint<0.22.0
-protobuf<3.20.4
+protobuf<5.28.4
 rich>=10.1, <10.13
 scipy>=1.7.3, <1.15
 toposort<1.11