diff --git a/go.mod b/go.mod
index 78dbc48f..2402168a 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.13
 
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
-	github.com/d5/tengo/v2 v2.8.0
+	github.com/d5/tengo/v2 v2.9.0
 	github.com/friendsofgo/errors v0.9.2 // indirect
 	github.com/gofrs/uuid v4.1.0+incompatible
 	github.com/google/go-querystring v1.1.0
diff --git a/go.sum b/go.sum
index 7c94dfe0..d50ba4bd 100644
--- a/go.sum
+++ b/go.sum
@@ -93,8 +93,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/d5/tengo/v2 v2.8.0 h1:w8iRRZgiKhgT+/FwjFKdKJIGHQ0/OzygQIlCwrRecC4=
-github.com/d5/tengo/v2 v2.8.0/go.mod h1:XRGjEs5I9jYIKTxly6HCF8oiiilk5E/RYXOZ5b0DZC8=
+github.com/d5/tengo/v2 v2.9.0 h1:+38StCZtiwmsb/Il1A1c9GFVuqPgyedIlN1ekkUnUmE=
+github.com/d5/tengo/v2 v2.9.0/go.mod h1:XRGjEs5I9jYIKTxly6HCF8oiiilk5E/RYXOZ5b0DZC8=
 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=