diff --git a/cmd/age/parse.go b/cmd/age/parse.go
index 1b190af..d1051fb 100644
--- a/cmd/age/parse.go
+++ b/cmd/age/parse.go
@@ -33,6 +33,7 @@ func parseIdentitiesFile(name string) ([]age.Identity, error) {
 	if err != nil {
 		return nil, fmt.Errorf("failed to open file: %v", err)
 	}
+	defer f.Close()
 
 	var ids []age.Identity
 	scanner := bufio.NewScanner(f)