diff --git a/capitulo_8/recursos/ejercicio_3/api/requirements.txt b/capitulo_8/recursos/ejercicio_3/api/requirements.txt
index 4fc3878..df196ea 100644
--- a/capitulo_8/recursos/ejercicio_3/api/requirements.txt
+++ b/capitulo_8/recursos/ejercicio_3/api/requirements.txt
@@ -132,7 +132,7 @@ pluggy==0.13.1
 prometheus-client==0.6.0
 promise==2.0.2
 prompt-toolkit==2.0.9
-protobuf==3.11.3
+protobuf==3.18.3
 psutil==5.6.3
 ptyprocess==0.6.0
 py==1.8.0