diff --git a/go.mod b/go.mod
index 7942a357..b7a8e46b 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/obalunenko/getenv
 
 go 1.20
 
-require github.com/stretchr/testify v1.8.1
+require github.com/stretchr/testify v1.8.2
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
diff --git a/go.sum b/go.sum
index 2ec90f70..6a56e69b 100644
--- a/go.sum
+++ b/go.sum
@@ -8,8 +8,8 @@ github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSS
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
-github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/vendor/github.com/stretchr/testify/assert/assertions.go b/vendor/github.com/stretchr/testify/assert/assertions.go
index fa1245b1..2924cf3a 100644
--- a/vendor/github.com/stretchr/testify/assert/assertions.go
+++ b/vendor/github.com/stretchr/testify/assert/assertions.go
@@ -8,7 +8,6 @@ import (
 	"fmt"
 	"math"
 	"os"
-	"path/filepath"
 	"reflect"
 	"regexp"
 	"runtime"
@@ -141,12 +140,11 @@ func CallerInfo() []string {
 		}
 
 		parts := strings.Split(file, "/")
-		file = parts[len(parts)-1]
 		if len(parts) > 1 {
+			filename := parts[len(parts)-1]
 			dir := parts[len(parts)-2]
-			if (dir != "assert" && dir != "mock" && dir != "require") || file == "mock_test.go" {
-				path, _ := filepath.Abs(file)
-				callers = append(callers, fmt.Sprintf("%s:%d", path, line))
+			if (dir != "assert" && dir != "mock" && dir != "require") || filename == "mock_test.go" {
+				callers = append(callers, fmt.Sprintf("%s:%d", file, line))
 			}
 		}
 
@@ -530,7 +528,7 @@ func isNil(object interface{}) bool {
 		[]reflect.Kind{
 			reflect.Chan, reflect.Func,
 			reflect.Interface, reflect.Map,
-			reflect.Ptr, reflect.Slice},
+			reflect.Ptr, reflect.Slice, reflect.UnsafePointer},
 		kind)
 
 	if isNilableKind && value.IsNil() {
@@ -818,49 +816,44 @@ func Subset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok
 		return true // we consider nil to be equal to the nil set
 	}
 
-	defer func() {
-		if e := recover(); e != nil {
-			ok = false
-		}
-	}()
-
 	listKind := reflect.TypeOf(list).Kind()
-	subsetKind := reflect.TypeOf(subset).Kind()
-
 	if listKind != reflect.Array && listKind != reflect.Slice && listKind != reflect.Map {
 		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", list, listKind), msgAndArgs...)
 	}
 
+	subsetKind := reflect.TypeOf(subset).Kind()
 	if subsetKind != reflect.Array && subsetKind != reflect.Slice && listKind != reflect.Map {
 		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", subset, subsetKind), msgAndArgs...)
 	}
 
-	subsetValue := reflect.ValueOf(subset)
 	if subsetKind == reflect.Map && listKind == reflect.Map {
-		listValue := reflect.ValueOf(list)
-		subsetKeys := subsetValue.MapKeys()
+		subsetMap := reflect.ValueOf(subset)
+		actualMap := reflect.ValueOf(list)
 
-		for i := 0; i < len(subsetKeys); i++ {
-			subsetKey := subsetKeys[i]
-			subsetElement := subsetValue.MapIndex(subsetKey).Interface()
-			listElement := listValue.MapIndex(subsetKey).Interface()
+		for _, k := range subsetMap.MapKeys() {
+			ev := subsetMap.MapIndex(k)
+			av := actualMap.MapIndex(k)
 
-			if !ObjectsAreEqual(subsetElement, listElement) {
-				return Fail(t, fmt.Sprintf("\"%s\" does not contain \"%s\"", list, subsetElement), msgAndArgs...)
+			if !av.IsValid() {
+				return Fail(t, fmt.Sprintf("%#v does not contain %#v", list, subset), msgAndArgs...)
+			}
+			if !ObjectsAreEqual(ev.Interface(), av.Interface()) {
+				return Fail(t, fmt.Sprintf("%#v does not contain %#v", list, subset), msgAndArgs...)
 			}
 		}
 
 		return true
 	}
 
-	for i := 0; i < subsetValue.Len(); i++ {
-		element := subsetValue.Index(i).Interface()
+	subsetList := reflect.ValueOf(subset)
+	for i := 0; i < subsetList.Len(); i++ {
+		element := subsetList.Index(i).Interface()
 		ok, found := containsElement(list, element)
 		if !ok {
-			return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", list), msgAndArgs...)
+			return Fail(t, fmt.Sprintf("%#v could not be applied builtin len()", list), msgAndArgs...)
 		}
 		if !found {
-			return Fail(t, fmt.Sprintf("\"%s\" does not contain \"%s\"", list, element), msgAndArgs...)
+			return Fail(t, fmt.Sprintf("%#v does not contain %#v", list, element), msgAndArgs...)
 		}
 	}
 
@@ -879,34 +872,28 @@ func NotSubset(t TestingT, list, subset interface{}, msgAndArgs ...interface{})
 		return Fail(t, "nil is the empty set which is a subset of every set", msgAndArgs...)
 	}
 
-	defer func() {
-		if e := recover(); e != nil {
-			ok = false
-		}
-	}()
-
 	listKind := reflect.TypeOf(list).Kind()
-	subsetKind := reflect.TypeOf(subset).Kind()
-
 	if listKind != reflect.Array && listKind != reflect.Slice && listKind != reflect.Map {
 		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", list, listKind), msgAndArgs...)
 	}
 
+	subsetKind := reflect.TypeOf(subset).Kind()
 	if subsetKind != reflect.Array && subsetKind != reflect.Slice && listKind != reflect.Map {
 		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", subset, subsetKind), msgAndArgs...)
 	}
 
-	subsetValue := reflect.ValueOf(subset)
 	if subsetKind == reflect.Map && listKind == reflect.Map {
-		listValue := reflect.ValueOf(list)
-		subsetKeys := subsetValue.MapKeys()
+		subsetMap := reflect.ValueOf(subset)
+		actualMap := reflect.ValueOf(list)
 
-		for i := 0; i < len(subsetKeys); i++ {
-			subsetKey := subsetKeys[i]
-			subsetElement := subsetValue.MapIndex(subsetKey).Interface()
-			listElement := listValue.MapIndex(subsetKey).Interface()
+		for _, k := range subsetMap.MapKeys() {
+			ev := subsetMap.MapIndex(k)
+			av := actualMap.MapIndex(k)
 
-			if !ObjectsAreEqual(subsetElement, listElement) {
+			if !av.IsValid() {
+				return true
+			}
+			if !ObjectsAreEqual(ev.Interface(), av.Interface()) {
 				return true
 			}
 		}
@@ -914,8 +901,9 @@ func NotSubset(t TestingT, list, subset interface{}, msgAndArgs ...interface{})
 		return Fail(t, fmt.Sprintf("%q is a subset of %q", subset, list), msgAndArgs...)
 	}
 
-	for i := 0; i < subsetValue.Len(); i++ {
-		element := subsetValue.Index(i).Interface()
+	subsetList := reflect.ValueOf(subset)
+	for i := 0; i < subsetList.Len(); i++ {
+		element := subsetList.Index(i).Interface()
 		ok, found := containsElement(list, element)
 		if !ok {
 			return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", list), msgAndArgs...)
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6b4c7a3f..6fb74f32 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -4,7 +4,7 @@ github.com/davecgh/go-spew/spew
 # github.com/pmezard/go-difflib v1.0.0
 ## explicit
 github.com/pmezard/go-difflib/difflib
-# github.com/stretchr/testify v1.8.1
+# github.com/stretchr/testify v1.8.2
 ## explicit; go 1.13
 github.com/stretchr/testify/assert
 # gopkg.in/yaml.v3 v3.0.1