diff --git a/test/environment/grpc/requirements.txt b/test/environment/grpc/requirements.txt
index 949005b8..2563d4a7 100644
--- a/test/environment/grpc/requirements.txt
+++ b/test/environment/grpc/requirements.txt
@@ -1,5 +1,5 @@
-grpcio==1.66.1
-grpcio-health-checking==1.66.1
-grpcio-reflection==1.66.1
-grpcio-testing==1.66.1
-grpcio-tools==1.66.1
+grpcio==1.66.2
+grpcio-health-checking==1.66.2
+grpcio-reflection==1.66.2
+grpcio-testing==1.66.2
+grpcio-tools==1.66.2
diff --git a/test/requirements.ci.txt b/test/requirements.ci.txt
index ef7139c5..ea0d1521 100644
--- a/test/requirements.ci.txt
+++ b/test/requirements.ci.txt
@@ -1,5 +1,5 @@
 docker==7.1.0
-grpcio==1.66.1
+grpcio==1.66.2
 protobuf==5.28.2
 requests==2.32.3
 urllib3==2.2.3