diff --git a/GTFS-RT-FEED/requirements.txt b/GTFS-RT-FEED/requirements.txt
index a1c49d2..9893868 100644
--- a/GTFS-RT-FEED/requirements.txt
+++ b/GTFS-RT-FEED/requirements.txt
@@ -7,7 +7,7 @@ fastapi==0.109.2
 gtfs-realtime-bindings==1.0.0
 h11==0.16.0
 idna==3.10
-protobuf==4.25.3
+protobuf==4.25.8
 pydantic==2.11.4
 pydantic_core==2.33.2
 python-dotenv==1.0.1
diff --git a/requirements.txt b/requirements.txt
index 3a331f3..eaf1a34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ packaging==24.1
 paho-mqtt==2.1.0
 pandas==2.2.1
 polyline==2.0.2
-protobuf==5.28.2
+protobuf==4.25.8
 psutil==5.9.8
 psycopg2-binary==2.9.10
 pydantic==2.6.1