diff --git a/.github/workflows/gin.yml b/.github/workflows/gin.yml
index 004f9b9d..18b36d0e 100644
--- a/.github/workflows/gin.yml
+++ b/.github/workflows/gin.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        go: [1.15, 1.16, 1.17, 1.18]
+        go: [1.16, 1.17, 1.18, 1.19]
         test-tags: ['', '-tags nomsgpack', '-tags "sonic avx"', '-tags go_json']
         include:
           - os: ubuntu-latest
diff --git a/.github/workflows/goreleaser.yml b/.github/workflows/goreleaser.yml
index 64ed8b2b..654585b9 100644
--- a/.github/workflows/goreleaser.yml
+++ b/.github/workflows/goreleaser.yml
@@ -19,7 +19,7 @@ jobs:
           fetch-depth: 0
       -
         name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: 1.17
       -
diff --git a/README.md b/README.md
index 8d7b5ec4..960c66dc 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ Gin is a web framework written in Go (Golang). It features a martini-like API wi
 
 To install Gin package, you need to install Go and set your Go workspace first.
 
-1. You first need [Go](https://golang.org/) installed (**version 1.15+ is required**), then you can use the below Go command to install Gin.
+1. You first need [Go](https://golang.org/) installed (**version 1.16+ is required**), then you can use the below Go command to install Gin.
 
 ```sh
 go get -u github.com/gin-gonic/gin
diff --git a/binding/binding_test.go b/binding/binding_test.go
index f0996216..eae27802 100644
--- a/binding/binding_test.go
+++ b/binding/binding_test.go
@@ -1107,9 +1107,7 @@ func testFormBindingForType(t *testing.T, method, path, badPath, body, badBody s
 		assert.Equal(t,
 			struct {
 				Idx int "form:\"idx\""
-			}(struct {
-				Idx int "form:\"idx\""
-			}{Idx: 123}),
+			}{Idx: 123},
 			obj.StructFoo)
 	case "StructPointer":
 		obj := FooStructForStructPointerType{}
@@ -1118,9 +1116,7 @@ func testFormBindingForType(t *testing.T, method, path, badPath, body, badBody s
 		assert.Equal(t,
 			struct {
 				Name string "form:\"name\""
-			}(struct {
-				Name string "form:\"name\""
-			}{Name: "thinkerou"}),
+			}{Name: "thinkerou"},
 			*obj.StructPointerFoo)
 	case "Map":
 		obj := FooStructForMapType{}
diff --git a/binding/form_mapping.go b/binding/form_mapping.go
index 98cebfec..540bbbb8 100644
--- a/binding/form_mapping.go
+++ b/binding/form_mapping.go
@@ -19,7 +19,7 @@ import (
 var (
 	errUnknownType = errors.New("unknown type")
 
-	// ErrConvertMapStringSlice can not covert to map[string][]string
+	// ErrConvertMapStringSlice can not convert to map[string][]string
 	ErrConvertMapStringSlice = errors.New("can not convert to map slices of strings")
 
 	// ErrConvertToMapString can not convert to map[string]string
diff --git a/binding/form_mapping_test.go b/binding/form_mapping_test.go
index 78f4df0e..93d6a92f 100644
--- a/binding/form_mapping_test.go
+++ b/binding/form_mapping_test.go
@@ -114,7 +114,7 @@ func TestMappingPrivateField(t *testing.T) {
 	}
 	err := mappingByPtr(&s, formSource{"field": {"6"}}, "form")
 	assert.NoError(t, err)
-	assert.Equal(t, int(0), s.f)
+	assert.Equal(t, 0, s.f)
 }
 
 func TestMappingUnknownFieldType(t *testing.T) {
@@ -133,7 +133,7 @@ func TestMappingURI(t *testing.T) {
 	}
 	err := mapURI(&s, map[string][]string{"field": {"6"}})
 	assert.NoError(t, err)
-	assert.Equal(t, int(6), s.F)
+	assert.Equal(t, 6, s.F)
 }
 
 func TestMappingForm(t *testing.T) {
@@ -142,7 +142,7 @@ func TestMappingForm(t *testing.T) {
 	}
 	err := mapForm(&s, map[string][]string{"field": {"6"}})
 	assert.NoError(t, err)
-	assert.Equal(t, int(6), s.F)
+	assert.Equal(t, 6, s.F)
 }
 
 func TestMapFormWithTag(t *testing.T) {
@@ -151,7 +151,7 @@ func TestMapFormWithTag(t *testing.T) {
 	}
 	err := MapFormWithTag(&s, map[string][]string{"field": {"6"}}, "externalTag")
 	assert.NoError(t, err)
-	assert.Equal(t, int(6), s.F)
+	assert.Equal(t, 6, s.F)
 }
 
 func TestMappingTime(t *testing.T) {
diff --git a/context.go b/context.go
index f9489a77..b66b8adc 100644
--- a/context.go
+++ b/context.go
@@ -15,6 +15,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"strings"
 	"sync"
 	"time"
@@ -601,6 +602,10 @@ func (c *Context) SaveUploadedFile(file *multipart.FileHeader, dst string) error
 	}
 	defer src.Close()
 
+	if err = os.MkdirAll(filepath.Dir(dst), 0750); err != nil {
+		return err
+	}
+
 	out, err := os.Create(dst)
 	if err != nil {
 		return err
diff --git a/context_1.17_test.go b/context_1.17_test.go
index 23377ffd..0f8527fe 100644
--- a/context_1.17_test.go
+++ b/context_1.17_test.go
@@ -12,6 +12,8 @@ import (
 	"mime/multipart"
 	"net/http"
 	"net/http/httptest"
+	"runtime"
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -28,6 +30,9 @@ func (i interceptedWriter) WriteHeader(code int) {
 }
 
 func TestContextFormFileFailed17(t *testing.T) {
+	if !isGo117OrGo118() {
+		return
+	}
 	buf := new(bytes.Buffer)
 	mw := multipart.NewWriter(buf)
 	defer func(mw *multipart.Writer) {
@@ -75,3 +80,15 @@ func TestInterceptedHeader(t *testing.T) {
 	assert.Equal(t, "", w.Result().Header.Get("X-Test"))
 	assert.Equal(t, "present", w.Result().Header.Get("X-Test-2"))
 }
+
+func isGo117OrGo118() bool {
+	version := strings.Split(runtime.Version()[2:], ".")
+	if len(version) >= 2 {
+		x := version[0]
+		y := version[1]
+		if x == "1" && (y == "17" || y == "18") {
+			return true
+		}
+	}
+	return false
+}
diff --git a/context_1.19_test.go b/context_1.19_test.go
new file mode 100644
index 00000000..4b34ea24
--- /dev/null
+++ b/context_1.19_test.go
@@ -0,0 +1,31 @@
+// Copyright 2022 Gin Core Team. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+//go:build go1.19
+// +build go1.19
+
+package gin
+
+import (
+	"bytes"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestContextFormFileFailed19(t *testing.T) {
+	buf := new(bytes.Buffer)
+	mw := multipart.NewWriter(buf)
+	mw.Close()
+	c, _ := CreateTestContext(httptest.NewRecorder())
+	c.Request, _ = http.NewRequest("POST", "/", nil)
+	c.Request.Header.Set("Content-Type", mw.FormDataContentType())
+	c.engine.MaxMultipartMemory = 8 << 20
+	f, err := c.FormFile("file")
+	assert.Error(t, err)
+	assert.Nil(t, f)
+}
diff --git a/debug.go b/debug.go
index b9f8234a..cbcedbc9 100644
--- a/debug.go
+++ b/debug.go
@@ -12,7 +12,7 @@ import (
 	"strings"
 )
 
-const ginSupportMinGoVer = 15
+const ginSupportMinGoVer = 16
 
 // IsDebugging returns true if the framework is running in debug mode.
 // Use SetMode(gin.ReleaseMode) to disable debug mode.
@@ -67,7 +67,7 @@ func getMinVer(v string) (uint64, error) {
 
 func debugPrintWARNINGDefault() {
 	if v, e := getMinVer(runtime.Version()); e == nil && v < ginSupportMinGoVer {
-		debugPrint(`[WARNING] Now Gin requires Go 1.15+.
+		debugPrint(`[WARNING] Now Gin requires Go 1.16+.
 
 `)
 	}
diff --git a/debug_test.go b/debug_test.go
index ae86ba9b..ce8b19da 100644
--- a/debug_test.go
+++ b/debug_test.go
@@ -104,7 +104,7 @@ func TestDebugPrintWARNINGDefault(t *testing.T) {
 	})
 	m, e := getMinVer(runtime.Version())
 	if e == nil && m < ginSupportMinGoVer {
-		assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.15+.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
+		assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.16+.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
 	} else {
 		assert.Equal(t, "[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
 	}
diff --git a/go.mod b/go.mod
index fa1db99a..1c64cf1b 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/pelletier/go-toml/v2 v2.0.2
 	github.com/stretchr/testify v1.8.0
 	github.com/ugorji/go/codec v1.2.7
-	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2
+	golang.org/x/net v0.0.0-20221004154528-8021a29435af
 	google.golang.org/protobuf v1.28.1
 	gopkg.in/yaml.v2 v2.4.0
 )
diff --git a/go.sum b/go.sum
index 1c31d299..35bfd2e9 100644
--- a/go.sum
+++ b/go.sum
@@ -81,8 +81,9 @@ golang.org/x/arch v0.0.0-20220412001346-fc48f9fe4c15 h1:GVfVkciLYxn5mY5EncwAe0SX
 golang.org/x/arch v0.0.0-20220412001346-fc48f9fe4c15/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3 h1:0es+/5331RGQPcXlMfP+WrnIIS6dNnNRe0WB02W0F4M=
 golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 h1:CIJ76btIcR3eFI5EgSo6k1qKw9KJexJuRLI9G7Hp5wE=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20221004154528-8021a29435af h1:wv66FM3rLZGPdxpYL+ApnDe2HzHcTFta3z5nsc13wI4=
+golang.org/x/net v0.0.0-20221004154528-8021a29435af/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/render/render_test.go b/render/render_test.go
index a13fff42..3509db3c 100644
--- a/render/render_test.go
+++ b/render/render_test.go
@@ -173,7 +173,7 @@ func TestRenderAsciiJSON(t *testing.T) {
 	assert.Equal(t, "application/json", w1.Header().Get("Content-Type"))
 
 	w2 := httptest.NewRecorder()
-	data2 := float64(3.1415926)
+	data2 := 3.1415926
 
 	err = (AsciiJSON{data2}).Render(w2)
 	assert.NoError(t, err)