diff --git a/CHANGES.md b/CHANGES.md
index 273428a..48e1e12 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,17 @@
 # Connect SDK Changes History
 
+## v18.1
+
+* Feature: Allow masking of specified log fields.
+* Change: Upgrade pytest to version 4.6.8.
+* Fix: Added date to log formatter.
+
+## v18.0
+
+* Feature: Updated models for v18.
+* Feature: Add RQL filter support.
+* Fix: UsageFileAction's subclass SubmitUsageFile had a rejection note, a parameter which should go in RejectUsageFile instead. 
+
 ## v17.6
 
 * Fix: `ServerErrorResponseSchema` has a wrong errors field definition, it must be a list of strings.
diff --git a/connect/logger/config.json b/connect/logger/config.json
index b3b5ca5..72c310c 100644
--- a/connect/logger/config.json
+++ b/connect/logger/config.json
@@ -5,7 +5,7 @@
     "formatters": {
       "single-line": {
         "class": "logging.Formatter",
-        "datefmt": "%I:%M:%S",
+        "datefmt": "%Y-%m-%d %H:%M:%S,uuu",
         "format": "%(levelname)-6s; %(asctime)s; %(name)-6s; %(module)s:%(funcName)s:line-%(lineno)d: %(message)s"
       }
     },
diff --git a/connect/logger/logger.py b/connect/logger/logger.py
index cb3db17..c68e9eb 100644
--- a/connect/logger/logger.py
+++ b/connect/logger/logger.py
@@ -23,7 +23,7 @@ def function_log(custom_logger=None):
         sformat = " %(levelname)-6s; %(asctime)s; %(name)-6s; %(module)s:%(funcName)s:line" \
                   "-%(lineno)d: %(message)s"
         for handler in custom_logger.handlers:
-            handler.setFormatter(logging.Formatter(sformat, "%I:%M:%S"))
+            handler.setFormatter(logging.Formatter(sformat))
 
     # noinspection PyUnusedLocal
     def decorator(func, **kwargs):
diff --git a/connect/resources/automation_engine.py b/connect/resources/automation_engine.py
index ad2fbb5..922b597 100644
--- a/connect/resources/automation_engine.py
+++ b/connect/resources/automation_engine.py
@@ -65,5 +65,5 @@ def _set_custom_logger(self, *args):
         base = " %(levelname)-6s; %(asctime)s; %(name)-6s; %(module)s:%(funcName)s:line" \
                "-%(lineno)d: %(message)s"
         sformat = " ".join(args) + base
-        [handler.setFormatter(logging.Formatter(sformat, "%I:%M:%S"))
+        [handler.setFormatter(logging.Formatter(sformat))
          for handler in self.__class__.logger.handlers]