diff --git a/_examples/custom-formatter/go.mod b/_examples/custom-formatter/go.mod
index 4dd6643..b46595f 100644
--- a/_examples/custom-formatter/go.mod
+++ b/_examples/custom-formatter/go.mod
@@ -3,6 +3,10 @@ module custom-formatter
 go 1.14
 
 require (
-	github.com/cucumber/godog v0.11.0
+	github.com/cucumber/gherkin-go/v11 v11.0.0 // indirect
+	github.com/cucumber/godog v0.10.1-0.20210705192606-df8c6e49b40b
+	github.com/cucumber/messages-go/v10 v10.0.3 // indirect
 	github.com/cucumber/messages-go/v16 v16.0.1
+	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
+	github.com/hashicorp/go-memdb v1.3.2 // indirect
 )
diff --git a/_examples/custom-formatter/go.sum b/_examples/custom-formatter/go.sum
index 209eb52..57ee6fb 100644
--- a/_examples/custom-formatter/go.sum
+++ b/_examples/custom-formatter/go.sum
@@ -35,11 +35,18 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsr
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cucumber/gherkin-go/v11 v11.0.0 h1:cwVwN1Qn2VRSfHZNLEh5x00tPBmZcjATBWDpxsR5Xug=
 github.com/cucumber/gherkin-go/v11 v11.0.0/go.mod h1:CX33k2XU2qog4e+TFjOValoq6mIUq0DmVccZs238R9w=
+github.com/cucumber/gherkin-go/v19 v19.0.3 h1:mMSKu1077ffLbTJULUfM5HPokgeBcIGboyeNUof1MdE=
+github.com/cucumber/gherkin-go/v19 v19.0.3/go.mod h1:jY/NP6jUtRSArQQJ5h1FXOUgk5fZK24qtE7vKi776Vw=
+github.com/cucumber/godog v0.10.1-0.20210705192606-df8c6e49b40b h1:TthfOM7c3wz2M5kUvktCU27WXufvUSV/YtcxQk2yaq8=
+github.com/cucumber/godog v0.10.1-0.20210705192606-df8c6e49b40b/go.mod h1:ql2U1OH5nlLZ2UDD/3fDJ1+0vkib0XGgEn8NYXCwDZQ=
 github.com/cucumber/godog v0.11.0 h1:xgaWyJuAD6A+aW4TfVGNDBhuMyKW0jjl0cvY3KNxEak=
 github.com/cucumber/godog v0.11.0/go.mod h1:GyxCIrsg1sgEgpL2GD/rMr3fIoNHpgkjm9nANw/89XY=
 github.com/cucumber/messages-go/v10 v10.0.1/go.mod h1:kA5T38CBlBbYLU12TIrJ4fk4wSkVVOgyh7Enyy8WnSg=
-github.com/cucumber/messages-go/v10 v10.0.3 h1:m/9SD/K/A15WP7i1aemIv7cwvUw+viS51Ui5HBw1cdE=
 github.com/cucumber/messages-go/v10 v10.0.3/go.mod h1:9jMZ2Y8ZxjLY6TG2+x344nt5rXstVVDYSdS5ySfI1WY=
+github.com/cucumber/messages-go/v16 v10.0.1/go.mod h1:kA5T38CBlBbYLU12TIrJ4fk4wSkVVOgyh7Enyy8WnSg=
+github.com/cucumber/messages-go/v16 v10.0.3 h1:m/9SD/K/A15WP7i1aemIv7cwvUw+viS51Ui5HBw1cdE=
+github.com/cucumber/messages-go/v16 v10.0.3/go.mod h1:9jMZ2Y8ZxjLY6TG2+x344nt5rXstVVDYSdS5ySfI1WY=
+github.com/cucumber/messages-go/v16 v16.0.0/go.mod h1:EJcyR5Mm5ZuDsKJnT2N9KRnBK30BGjtYotDKpwQ0v6g=
 github.com/cucumber/messages-go/v16 v16.0.1 h1:fvkpwsLgnIm0qugftrw2YwNlio+ABe2Iu94Ap8GMYIY=
 github.com/cucumber/messages-go/v16 v16.0.1/go.mod h1:EJcyR5Mm5ZuDsKJnT2N9KRnBK30BGjtYotDKpwQ0v6g=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -93,8 +100,12 @@ github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtng
 github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
 github.com/hashicorp/go-immutable-radix v1.3.0 h1:8exGP7ego3OmkfksihtSouGMZ+hQrhxx+FVELeXpVPE=
 github.com/hashicorp/go-immutable-radix v1.3.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
+github.com/hashicorp/go-immutable-radix v1.3.1 h1:DKHmCUm2hRBK510BaiZlwvpD40f8bJFeZnpfm2KLowc=
+github.com/hashicorp/go-immutable-radix v1.3.1/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
 github.com/hashicorp/go-memdb v1.3.0 h1:xdXq34gBOMEloa9rlGStLxmfX/dyIK8htOv36dQUwHU=
 github.com/hashicorp/go-memdb v1.3.0/go.mod h1:Mluclgwib3R93Hk5fxEfiRhB+6Dar64wWh71LpNSe3g=
+github.com/hashicorp/go-memdb v1.3.2 h1:RBKHOsnSszpU6vxq80LzC2BaQjuuvoyaQbkLTf7V7g8=
+github.com/hashicorp/go-memdb v1.3.2/go.mod h1:Mluclgwib3R93Hk5fxEfiRhB+6Dar64wWh71LpNSe3g=
 github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
 github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
 github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=