diff --git a/src/core/os.go b/src/core/os.go
index 65f91a0e0..e1f95cf32 100644
--- a/src/core/os.go
+++ b/src/core/os.go
@@ -50,7 +50,7 @@ func EnableWritePermissionForSocket(path string) error {
 		case <-timeout:
 			return lastError
 		default:
-			lastError = os.Chmod(path, 0o600)
+			lastError = os.Chmod(path, 0o660)
 			if lastError == nil {
 				return nil
 			}
diff --git a/test/integration/vendor/github.com/nginx/agent/v2/src/core/os.go b/test/integration/vendor/github.com/nginx/agent/v2/src/core/os.go
index 65f91a0e0..e1f95cf32 100644
--- a/test/integration/vendor/github.com/nginx/agent/v2/src/core/os.go
+++ b/test/integration/vendor/github.com/nginx/agent/v2/src/core/os.go
@@ -50,7 +50,7 @@ func EnableWritePermissionForSocket(path string) error {
 		case <-timeout:
 			return lastError
 		default:
-			lastError = os.Chmod(path, 0o600)
+			lastError = os.Chmod(path, 0o660)
 			if lastError == nil {
 				return nil
 			}
diff --git a/test/performance/vendor/github.com/nginx/agent/v2/src/core/os.go b/test/performance/vendor/github.com/nginx/agent/v2/src/core/os.go
index 65f91a0e0..e1f95cf32 100644
--- a/test/performance/vendor/github.com/nginx/agent/v2/src/core/os.go
+++ b/test/performance/vendor/github.com/nginx/agent/v2/src/core/os.go
@@ -50,7 +50,7 @@ func EnableWritePermissionForSocket(path string) error {
 		case <-timeout:
 			return lastError
 		default:
-			lastError = os.Chmod(path, 0o600)
+			lastError = os.Chmod(path, 0o660)
 			if lastError == nil {
 				return nil
 			}