diff --git a/pyproject.toml b/pyproject.toml
index 1c68e6c..e7c4870 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dependencies = [
     "imapclient>=2.1.0",
     "kafka-python-ng>=2.2.2",
     "lxml>=4.4.0",
-    "mailsuite>=1.9.18",
+    "mailsuite>=1.11.0",
     "msgraph-core==0.2.2",
     "opensearch-py>=2.4.2,<=3.0.0",
     "publicsuffixlist>=0.10.0",