diff --git a/README.md b/README.md
index 5cc8321b..2477d0b0 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,7 @@ 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 1.14+ is required**), then you can use the below Go command to install Gin.
+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.
 
 ```sh
 $ go get -u github.com/gin-gonic/gin
diff --git a/debug.go b/debug.go
index 25fd7c87..8367de9c 100644
--- a/debug.go
+++ b/debug.go
@@ -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 1.14+.
+		debugPrint(`[WARNING] Now Gin requires Go 1.15+.
 
 `)
 	}
diff --git a/debug_test.go b/debug_test.go
index 4ac55fe1..5c29a74b 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 1.14+.\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 1.15+.\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)
 	}