diff --git a/go.mod b/go.mod
index 4e6c7f2..aef1924 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,12 @@ module github.com/yukimochi/Activity-Relay
 go 1.13
 
 require (
-	github.com/RichardKnop/machinery v1.7.2
+	github.com/RichardKnop/machinery v1.7.3
 	github.com/Songmu/go-httpdate v1.0.0
 	github.com/go-redis/redis v6.15.6+incompatible
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/satori/go.uuid v1.2.0
 	github.com/spf13/cobra v0.0.5
-	github.com/spf13/viper v1.6.1
+	github.com/spf13/viper v1.6.2
 	github.com/yukimochi/httpsig v0.1.3
 )