diff --git a/go.mod b/go.mod
index 7df7f61..b2323cc 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module synyx.de/tales
 go 1.14
 
 require (
-	github.com/gorilla/mux v1.8.0
+	github.com/gorilla/mux v1.8.1
 	github.com/mozillazg/go-slugify v0.2.0
 	github.com/mozillazg/go-unidecode v0.1.1 // indirect
 	github.com/stretchr/testify v1.8.2
diff --git a/go.sum b/go.sum
index eaf419b..745b16d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,8 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
-github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
+github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
 github.com/mozillazg/go-slugify v0.2.0 h1:SIhqDlnJWZH8OdiTmQgeXR28AOnypmAXPeOTcG7b9lk=
 github.com/mozillazg/go-slugify v0.2.0/go.mod h1:z7dPH74PZf2ZPFkyxx+zjPD8CNzRJNa1CGacv0gg8Ns=
 github.com/mozillazg/go-unidecode v0.1.1 h1:uiRy1s4TUqLbcROUrnCN/V85Jlli2AmDF6EeAXOeMHE=