diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e87070..c5e5b2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 9.11.1
+
+### Fixed
+
+- Bump required `mailsuite` version to `>=2.0.2` to address `RuntimeError: Event loop is closed` failures in the Microsoft Graph mailbox backend (#742).
+
 ## 9.11.0
 
 ### Changes
diff --git a/parsedmarc/constants.py b/parsedmarc/constants.py
index 53011c9..70df60e 100644
--- a/parsedmarc/constants.py
+++ b/parsedmarc/constants.py
@@ -1,4 +1,4 @@
-__version__ = "9.11.0"
+__version__ = "9.11.1"
 
 USER_AGENT = f"parsedmarc/{__version__}"
 
diff --git a/pyproject.toml b/pyproject.toml
index 195e94f..b29c8ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = [
     "expiringdict>=1.1.4",
     "kafka-python-ng>=2.2.2",
     "lxml>=4.4.0",
-    "mailsuite[gmail,msgraph]>=2.0.0",
+    "mailsuite[gmail,msgraph]>=2.0.2",
     "maxminddb>=2.0.0",
     "opensearch-py>=2.4.2,<=4.0.0",
     "publicsuffixlist>=0.10.0",