diff --git a/vendor/github.com/uber/jaeger-client-go/config/options.go b/vendor/github.com/uber/jaeger-client-go/config/options.go
index e0e50e8..a2b9cbc 100644
--- a/vendor/github.com/uber/jaeger-client-go/config/options.go
+++ b/vendor/github.com/uber/jaeger-client-go/config/options.go
@@ -40,6 +40,7 @@
 	tags                        []opentracing.Tag
 	injectors                   map[interface{}]jaeger.Injector
 	extractors                  map[interface{}]jaeger.Extractor
+	randomNumber                func() uint64
 }
 
 // Metrics creates an Option that initializes Metrics in the tracer,
@@ -147,6 +148,13 @@
 	}
 }
 
+// WithRandomNumber supplies a random number generator function to the Tracer used to generate trace and span IDs.
+func WithRandomNumber(f func() uint64) Option {
+	return func(c *Options) {
+		c.randomNumber = f
+	}
+}
+
 func applyOptions(options ...Option) Options {
 	opts := Options{
 		injectors:  make(map[interface{}]jaeger.Injector),