diff --git a/test_synctime.py b/test_synctime.py
index 78d1356..525615c 100755
--- a/test_synctime.py
+++ b/test_synctime.py
@@ -6,6 +6,7 @@
 
 from dotenv import load_dotenv
 
+import datetime as dt
 import synctime
 import test_utils
 
@@ -43,6 +44,22 @@ def test_redmine_times(self):
         self.redmine.remove_ticket(ticket.id)
 
 
+    def test_redmine_isoformat(self):
+        date_str = "2024-03-14T17:45:11Z"
+        date = synctime.parse_str(date_str)
+        self.assertIsNotNone(date)
+        self.assertEqual(2024, date.year)
+        self.assertEqual(3, date.month)
+        self.assertEqual(14, date.day)
+
+        date2 = dt.datetime.fromisoformat(date_str)
+        self.assertIsNotNone(date2)
+        self.assertEqual(2024, date2.year)
+        self.assertEqual(3, date2.month)
+        self.assertEqual(14, date2.day)
+
+
+
 
 if __name__ == '__main__':
     logging.basicConfig(level=logging.DEBUG, format="{asctime} {levelname:<8s} {name:<16} {message}", style='{')
diff --git a/threader_job.sh b/threader_job.sh
index 0ea745f..f973ba3 100755
--- a/threader_job.sh
+++ b/threader_job.sh
@@ -11,16 +11,15 @@
 # */5 * * * * /home/scn/github/netbot/threader_job.sh | /usr/bin/logger -t threader
 
 
-name=$(basename "$0")
 project_dir="$(cd -P -- "$(dirname -- "$0")" && pwd -P)"
 cd "$project_dir" || exit 1
 
-env="venv"
-PYTHON="$project_dir/venv/bin/python3"
+VENV=.venv
+PYTHON="$project_dir/$VENV/bin/python3"
 
 if [ ! -x "$PYTHON" ]; then
-    echo Building $env
-    python3 -m venv venv
+    echo Building $VENV
+    python3.11 -m venv $VENV
     $PYTHON -m pip install --upgrade pip
     $PYTHON -m pip install -r requirements.txt
 fi