upgrade dependencies

go.mod

@@ -3,11 +3,11 @@ module github.com/lacazethomas/wakapi-stats
 go 1.15
 
 require (
-	github.com/blend/go-sdk v1.20210731.3 // indirect
+	github.com/blend/go-sdk v1.20210819.9 // indirect
 	github.com/buger/jsonparser v1.1.1
 	github.com/caarlos0/env v3.5.0+incompatible
-	github.com/gin-gonic/gin v1.7.3
-	github.com/go-playground/validator/v10 v10.8.0 // indirect
+	github.com/gin-gonic/gin v1.7.4
+	github.com/go-playground/validator/v10 v10.9.0 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/json-iterator/go v1.1.11 // indirect
@@ -17,13 +17,16 @@ require (
 	github.com/stretchr/testify v1.7.0
 	github.com/thinkerou/favicon v0.1.0
 	github.com/ugorji/go v1.2.6 // indirect
-	github.com/wcharczuk/go-chart v2.0.1+incompatible
+	github.com/wcharczuk/go-chart v2.0.1+incompatible // indirect
+	github.com/wcharczuk/go-chart/v2 v2.1.0
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.7.0 // indirect
-	go.uber.org/zap v1.18.1
+	go.uber.org/zap v1.19.0
+	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 // indirect
 	golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d // indirect
 	golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 // indirect
-	golang.org/x/mod v0.4.2 // indirect
+	golang.org/x/sys v0.0.0-20210820121016-41cdb8703e55 // indirect
+	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/tools v0.1.5 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect

utils/chart.go

@@ -5,8 +5,8 @@ import (
 	"sort"
 
 	"github.com/pkg/errors"
-	"github.com/wcharczuk/go-chart"
-	"github.com/wcharczuk/go-chart/drawing"
+	"github.com/wcharczuk/go-chart/v2"
+	"github.com/wcharczuk/go-chart/v2/drawing"
 	"go.uber.org/zap"
 
 	"github.com/lacazethomas/wakapi-stats/models"