diff --git a/requirements.txt b/requirements.txt
index 4007b67..80d4ea0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 boto3 == 1.24.89
 ftfy == 6.1.1
-mailchecker == 5.0.2
+mailchecker == 5.0.3
 openpyxl == 3.0.10
 phonenumbers == 8.12.56
 python-dateutil == 2.8.2