diff --git a/vendor/github.com/dustin/go-humanize/si.go b/vendor/github.com/dustin/go-humanize/si.go
index b24e481..ae659e0 100644
--- a/vendor/github.com/dustin/go-humanize/si.go
+++ b/vendor/github.com/dustin/go-humanize/si.go
@@ -93,6 +93,16 @@
 	return Ftoa(value) + " " + prefix + unit
 }
 
+// SIWithDigits works like SI but limits the resulting string to the
+// given number of decimal places.
+//
+// e.g. SIWithDigits(1000000, 0, "B") -> 1 MB
+// e.g. SIWithDigits(2.2345e-12, 2, "F") -> 2.23 pF
+func SIWithDigits(input float64, decimals int, unit string) string {
+	value, prefix := ComputeSI(input)
+	return FtoaWithDigits(value, decimals) + " " + prefix + unit
+}
+
 var errInvalid = errors.New("invalid input")
 
 // ParseSI parses an SI string back into the number and unit.