diff --git a/go.mod b/go.mod
index db40541..b83e43f 100644
--- a/go.mod
+++ b/go.mod
@@ -24,7 +24,7 @@ require (
 	github.com/tonglil/buflogr v1.1.1
 	go.mongodb.org/mongo-driver v1.16.1
 	go.temporal.io/api v1.38.0
-	google.golang.org/grpc v1.65.0
+	google.golang.org/grpc v1.66.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index defe077..21433b0 100644
--- a/go.sum
+++ b/go.sum
@@ -311,8 +311,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20240822170219-fc7c04adadcd h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20240822170219-fc7c04adadcd/go.mod h1:fO8wJzT2zbQbAjbIoos1285VfEIYKDDY+Dt+WpTkh6g=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240822170219-fc7c04adadcd h1:6TEm2ZxXoQmFWFlt1vNxvVOa1Q0dXFQD1m/rYjXmS0E=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240822170219-fc7c04adadcd/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
-google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
-google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
+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/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=