diff --git a/CAPI/python/requirements.txt b/CAPI/python/requirements.txt
index b9abd196..5faacb66 100644
--- a/CAPI/python/requirements.txt
+++ b/CAPI/python/requirements.txt
@@ -1,3 +1,3 @@
-grpcio==1.63.0
+grpcio==1.66.0
 grpcio-tools==1.63.0
 numpy
diff --git a/CAPI/python_exp/requirements.txt b/CAPI/python_exp/requirements.txt
index b9abd196..5faacb66 100644
--- a/CAPI/python_exp/requirements.txt
+++ b/CAPI/python_exp/requirements.txt
@@ -1,3 +1,3 @@
-grpcio==1.63.0
+grpcio==1.66.0
 grpcio-tools==1.63.0
 numpy