diff --git a/flexmeasures_openweathermap/utils/locating.py b/flexmeasures_openweathermap/utils/locating.py
index 4506ce5..1be8d06 100644
--- a/flexmeasures_openweathermap/utils/locating.py
+++ b/flexmeasures_openweathermap/utils/locating.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import Tuple, List, Optional
 
 import click
diff --git a/flexmeasures_openweathermap/utils/owm.py b/flexmeasures_openweathermap/utils/owm.py
index a35cf33..35c98f0 100644
--- a/flexmeasures_openweathermap/utils/owm.py
+++ b/flexmeasures_openweathermap/utils/owm.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import Tuple, List, Dict, Optional
 import os
 from datetime import datetime, timedelta
diff --git a/requirements/test.in b/requirements/test.in
index 8c1f66e..3f3e08b 100644
--- a/requirements/test.in
+++ b/requirements/test.in
@@ -5,6 +5,7 @@ pytest-flask
 pytest-sugar
 pytest-cov
 # lets tests run successfully in containers
-fakeredis
+# Upper limit because latest versions do not support latest Redis sometimes
+fakeredis >2.14, <2.17.0
 # required with fakeredis, maybe because we use rq
 lupa
diff --git a/run_mypy.sh b/run_mypy.sh
index 3a25475..8a09af5 100755
--- a/run_mypy.sh
+++ b/run_mypy.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
-pip install mypy
+pip install --upgrade mypy > 1.4
 pip install types-pytz types-requests types-Flask types-click types-redis types-tzlocal types-python-dateutil types-setuptools
 files=$(find . -name \*.py -not -path "./venv/*" -not -path ".eggs/*" -not -path "./build/*" -not -path "./dist/*" -not -path "./scripts/*")
 mypy --follow-imports skip --ignore-missing-imports $files