diff --git a/CHANGELOG.md b/CHANGELOG.md
index afbf8dc..a71d206 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 9.5.2
+
+### Fixed
+
+- Fixed `ValueError: invalid interpolation syntax` when config values (from env vars or INI files) contain `%` characters, such as in passwords. Disabled ConfigParser's `%`-based string interpolation.
+
 ## 9.5.1
 
 ### Changes
diff --git a/parsedmarc/__init__.py b/parsedmarc/__init__.py
index afed6ce..e36113f 100644
--- a/parsedmarc/__init__.py
+++ b/parsedmarc/__init__.py
@@ -1955,9 +1955,7 @@ def get_dmarc_reports_from_mailbox(
             )
             current_time = datetime.now(timezone.utc).strftime("%d-%b-%Y")
         elif isinstance(connection, MSGraphConnection):
-            since = (
-                datetime.now(timezone.utc) - timedelta(minutes=_since)
-            ).isoformat()
+            since = (datetime.now(timezone.utc) - timedelta(minutes=_since)).isoformat()
             current_time = datetime.now(timezone.utc).isoformat() + "Z"
         elif isinstance(connection, GmailConnection):
             since = (datetime.now(timezone.utc) - timedelta(minutes=_since)).strftime(
diff --git a/parsedmarc/cli.py b/parsedmarc/cli.py
index 809003c..821543e 100644
--- a/parsedmarc/cli.py
+++ b/parsedmarc/cli.py
@@ -264,7 +264,7 @@ def _load_config(config_file: str | None = None) -> ConfigParser:
     Raises:
         ConfigurationError: If *config_file* is given but does not exist.
     """
-    config = ConfigParser()
+    config = ConfigParser(interpolation=None)
     if config_file is not None:
         abs_path = os.path.abspath(config_file)
         if not os.path.exists(abs_path):
diff --git a/parsedmarc/constants.py b/parsedmarc/constants.py
index 31e80ae..c45ece8 100644
--- a/parsedmarc/constants.py
+++ b/parsedmarc/constants.py
@@ -1,3 +1,3 @@
-__version__ = "9.5.1"
+__version__ = "9.5.2"
 
 USER_AGENT = f"parsedmarc/{__version__}"