diff --git a/requirements-devel.txt b/requirements-devel.txt
index be1e0163b..188bd01f5 100644
--- a/requirements-devel.txt
+++ b/requirements-devel.txt
@@ -2,7 +2,7 @@ requests==2.32.3
 httpx==0.25.2
 validators==0.34.0
 authlib==1.3.1
-grpcio==1.62.2
+grpcio==1.66.1
 grpcio-tools==1.62.2
 grpcio-health-checking==1.62.2
 pydantic==2.5.0