diff --git a/pkg/helpers/http.go b/pkg/helpers/http.go
index 5019a8a..2baf051 100644
--- a/pkg/helpers/http.go
+++ b/pkg/helpers/http.go
@@ -35,6 +35,8 @@ func DownloadURLIntoTempFile(requestURL string) (string, error) {
 		return "", err
 	}
 
+	defer tmpfile.Close()
+
 	body, err := ioutil.ReadAll(response.Body)
 	if err != nil {
 		return "", err