diff --git a/vendor.conf b/vendor.conf
index dc8d9fcaea..272f552ee4 100755
--- a/vendor.conf
+++ b/vendor.conf
@@ -51,7 +51,7 @@ github.com/moby/buildkit                            8142d66b5ebde79846b869fba30d
 github.com/moby/sys                                 b0f1fd7235275d01bd35cc4421e884e522395f45 # mountinfo/v0.4.1 (latest tag, either mount/vXXX, mountinfo/vXXX or symlink/vXXX)
 github.com/moby/term                                3f7ff695adc6a35abc925370dd0a4dafb48ec64d
 github.com/modern-go/concurrent                     bacd9c7ef1dd9b15be4a9909b8ac7a4e313eec94 # 1.0.3
-github.com/modern-go/reflect2                       4b7aa43c6742a2c18fdef89dd197aaae7dac7ccd # 1.0.1
+github.com/modern-go/reflect2                       94122c33edd36123c84d5368cfb2b69df93a0ec8 # v1.0.1
 github.com/morikuni/aec                             39771216ff4c63d11f5e604076f9c45e8be1067b # v1.0.0
 github.com/opencontainers/go-digest                 ea51bea511f75cfa3ef6098cc253c5c3609b037a # v1.0.0
 github.com/opencontainers/image-spec                d60099175f88c47cd379c4738d158884749ed235 # v1.0.1
diff --git a/vendor/github.com/modern-go/reflect2/type_map.go b/vendor/github.com/modern-go/reflect2/type_map.go
index 6d489112ff..3acfb55803 100644
--- a/vendor/github.com/modern-go/reflect2/type_map.go
+++ b/vendor/github.com/modern-go/reflect2/type_map.go
@@ -4,6 +4,7 @@ import (
 	"reflect"
 	"runtime"
 	"strings"
+	"sync"
 	"unsafe"
 )
 
@@ -15,10 +16,17 @@ func typelinks1() [][]unsafe.Pointer
 //go:linkname typelinks2 reflect.typelinks
 func typelinks2() (sections []unsafe.Pointer, offset [][]int32)
 
-var types = map[string]reflect.Type{}
-var packages = map[string]map[string]reflect.Type{}
+// initOnce guards initialization of types and packages
+var initOnce sync.Once
+
+var types map[string]reflect.Type
+var packages map[string]map[string]reflect.Type
+
+// discoverTypes initializes types and packages
+func discoverTypes() {
+	types = make(map[string]reflect.Type)
+	packages = make(map[string]map[string]reflect.Type)
 
-func init() {
 	ver := runtime.Version()
 	if ver == "go1.5" || strings.HasPrefix(ver, "go1.5.") {
 		loadGo15Types()
@@ -90,11 +98,13 @@ type emptyInterface struct {
 
 // TypeByName return the type by its name, just like Class.forName in java
 func TypeByName(typeName string) Type {
+	initOnce.Do(discoverTypes)
 	return Type2(types[typeName])
 }
 
 // TypeByPackageName return the type by its package and name
 func TypeByPackageName(pkgPath string, name string) Type {
+	initOnce.Do(discoverTypes)
 	pkgTypes := packages[pkgPath]
 	if pkgTypes == nil {
 		return nil