diff --git a/go.mod b/go.mod
index 29ff162561c..26ea93d9d83 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	golang.org/x/text v0.18.0
 	google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1
-	google.golang.org/grpc v1.66.0
+	google.golang.org/grpc v1.66.1
 	google.golang.org/protobuf v1.34.2
 	gopkg.in/yaml.v3 v3.0.1
 )
diff --git a/go.sum b/go.sum
index ad4c10699fd..f3489d573fd 100644
--- a/go.sum
+++ b/go.sum
@@ -27,8 +27,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:qpvKtACPCQhAdu3PyQgV4l3LMXZEtft7y8QcarRsp9I=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
-google.golang.org/grpc v1.66.0 h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=
-google.golang.org/grpc v1.66.0/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
+google.golang.org/grpc v1.66.1/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
 google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/repositories.bzl b/repositories.bzl
index f1791fb7c64..d279a45eec3 100644
--- a/repositories.bzl
+++ b/repositories.bzl
@@ -1812,8 +1812,8 @@ def go_repositories():
     go_repository(
         name = "org_golang_google_grpc",
         importpath = "google.golang.org/grpc",
-        sum = "h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=",
-        version = "v1.66.0",
+        sum = "h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=",
+        version = "v1.66.1",
     )
 
     go_repository(