diff --git a/go.mod b/go.mod
index 67825b2..ad0c8ec 100644
--- a/go.mod
+++ b/go.mod
@@ -3,15 +3,12 @@ module github.com/yukimochi/Activity-Relay
 go 1.12
 
 require (
-	github.com/RichardKnop/machinery v1.6.2
+	github.com/RichardKnop/machinery v1.6.4
 	github.com/Songmu/go-httpdate v1.0.0
 	github.com/go-redis/redis v6.15.2+incompatible
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/onsi/ginkgo v1.8.0 // indirect
-	github.com/onsi/gomega v1.5.0 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/satori/go.uuid v1.2.0
-	github.com/spf13/cobra v0.0.3
-	github.com/spf13/viper v1.3.2
+	github.com/spf13/cobra v0.0.4
+	github.com/spf13/viper v1.4.0
 	github.com/yukimochi/httpsig v0.1.3
 )