diff --git a/go.mod b/go.mod
index 242f7f9..7bfa709 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/flamego/flamego
 go 1.16
 
 require (
-	github.com/alecthomas/participle/v2 v2.0.0-alpha7
+	github.com/alecthomas/participle/v2 v2.0.0-alpha8
 	github.com/fatih/color v1.13.0
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.7.1
diff --git a/go.sum b/go.sum
index 9a52c3e..c713c5d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/alecthomas/participle/v2 v2.0.0-alpha7 h1:cK4vjj0VSgb3lN1nuKA5F7dw+1s1pWBe5bx7nNCnN+c=
-github.com/alecthomas/participle/v2 v2.0.0-alpha7/go.mod h1:NumScqsC42o9x+dGj8/YqsIfhrIQjFEOFovxotbBirA=
+github.com/alecthomas/participle/v2 v2.0.0-alpha8 h1:X6nuChfgfQXNTE+ZdjTFSfnSNr8E07LSVLAqIIjtsGI=
+github.com/alecthomas/participle/v2 v2.0.0-alpha8/go.mod h1:NumScqsC42o9x+dGj8/YqsIfhrIQjFEOFovxotbBirA=
 github.com/alecthomas/repr v0.0.0-20181024024818-d37bc2a10ba1 h1:GDQdwm/gAcJcLAKQQZGOJ4knlw+7rfEQQcmwTbt4p5E=
 github.com/alecthomas/repr v0.0.0-20181024024818-d37bc2a10ba1/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=