diff --git a/vendor/github.com/hashicorp/go-retryablehttp/client.go b/vendor/github.com/hashicorp/go-retryablehttp/client.go
index d5be4dbc3..f201b9f31 100644
--- a/vendor/github.com/hashicorp/go-retryablehttp/client.go
+++ b/vendor/github.com/hashicorp/go-retryablehttp/client.go
@@ -213,7 +213,7 @@ func LinearJitterBackoff(min, max time.Duration, attemptNum int, resp *http.Resp
 	if max <= min {
 		// Unclear what to do here, or they are the same, so return min *
 		// attemptNum
-		return min * attemptNum
+		return min * time.Duration(attemptNum)
 	}
 
 	// Seed rand; doing this every time is fine
@@ -222,7 +222,7 @@ func LinearJitterBackoff(min, max time.Duration, attemptNum int, resp *http.Resp
 	// Pick a random number that lies somewhere between the min and max and
 	// multiply by the attemptNum. attemptNum starts at zero so we always
 	// increment here.
-	return time.Duration((rand.Int63() % int64(max-min)) * attemptNum)
+	return time.Duration((rand.Int63() % int64(max-min)) * int64(attemptNum))
 }
 
 // PassthroughErrorHandler is an ErrorHandler that directly passes through the
diff --git a/vendor/vendor.json b/vendor/vendor.json
index cfb4e74c9..bd4519345 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -1141,10 +1141,10 @@
 			"revisionTime": "2018-03-31T00:25:53Z"
 		},
 		{
-			"checksumSHA1": "Zg/eHcBFPznCeqiRBQeV8WQw9G8=",
+			"checksumSHA1": "3iOEPoU3QvetU5xPFTg+Oqsl+WU=",
 			"path": "github.com/hashicorp/go-retryablehttp",
-			"revision": "936ce55c28f313d8cf79061ffcb25a55bf631eb6",
-			"revisionTime": "2018-05-10T00:49:21Z"
+			"revision": "7d12bb7d610c15e57fbbe304084a87fe87574591",
+			"revisionTime": "2018-05-10T00:52:31Z"
 		},
 		{
 			"checksumSHA1": "A1PcINvF3UiwHRKn8UcgARgvGRs=",