diff --git a/contrib/metrics/prometheus/go.mod b/contrib/metrics/prometheus/go.mod
index 353d31538ca..00a726a8c4b 100644
--- a/contrib/metrics/prometheus/go.mod
+++ b/contrib/metrics/prometheus/go.mod
@@ -14,7 +14,7 @@ require (
 	github.com/prometheus/client_model v0.5.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
 	golang.org/x/sys v0.16.0 // indirect
-	google.golang.org/protobuf v1.32.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../
diff --git a/contrib/metrics/prometheus/go.sum b/contrib/metrics/prometheus/go.sum
index 7a51e218f93..114896b3cc3 100644
--- a/contrib/metrics/prometheus/go.sum
+++ b/contrib/metrics/prometheus/go.sum
@@ -13,5 +13,5 @@ github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k
 github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
 golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
-google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=