diff --git a/vendor/github.com/prometheus/common/model/silence.go b/vendor/github.com/prometheus/common/model/silence.go
index 6d142fd8..b4b96eae 100644
--- a/vendor/github.com/prometheus/common/model/silence.go
+++ b/vendor/github.com/prometheus/common/model/silence.go
@@ -54,6 +54,7 @@ type Silence struct {
 	StartsAt time.Time `json:"startsAt"`
 	EndsAt   time.Time `json:"endsAt"`
 
-	CreatedBy string `json:"createdBy"`
-	Comment   string `json:"comment,omitempty"`
+	CreatedAt time.Time `json:"createdAt,omitempty"`
+	CreatedBy string    `json:"createdBy"`
+	Comment   string    `json:"comment,omitempty"`
 }
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 159a5928..32d9db1e 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -59,8 +59,8 @@
 		},
 		{
 			"path": "github.com/prometheus/common/model",
-			"revision": "4c9032a3f7aceade2585f2bbe302bf8c9ea3e9a9",
-			"revisionTime": "2015-10-01T18:35:54+02:00"
+			"revision": "1cc3e4c3b28fd42633a8c389c98cfbadf42621b1",
+			"revisionTime": "2015-10-06T11:44:11+02:00"
 		},
 		{
 			"path": "github.com/prometheus/common/route",