diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3e840bf..7008867 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,6 +21,9 @@ jobs:
 
     - name: Install dependencies
       run: |
+        add-apt-repository ppa:ubuntugis/ppa 
+        apt-get update
+        apt-get install gdal-bin libgdal-dev
         pip install tox
         pip install -r requirements.txt
 
diff --git a/tox.ini b/tox.ini
index da1352b..4d60796 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,10 +34,13 @@ commands =
     black .
 
 [testenv:typecheck]
+allowlist_externals = mypy # TODO: why?
 deps =
     ; {[testenv]deps}
     mypy
     types-setuptools
+    types-requests
+    types-python-dateutil
 commands =
     mypy ./gweatherrouting
     mypy ./gweatherroutingkivy