diff --git a/flake.lock b/flake.lock
index 0b5934b..1935c37 100644
--- a/flake.lock
+++ b/flake.lock
@@ -41,11 +41,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1776796298,
-        "narHash": "sha256-PcRvlWayisPSjd0UcRQbhG8Oqw78AcPE6x872cPRHN8=",
+        "lastModified": 1778507602,
+        "narHash": "sha256-kTwur1wV+01SdqskVMSo6JMEpg71ps3HpbFY2GsflKs=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "3cfd774b0a530725a077e17354fbdb87ea1c4aad",
+        "rev": "61ab0e80d9c7ab14c256b5b453d8b3fb0189ba0a",
         "type": "github"
       },
       "original": {
@@ -93,11 +93,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1777954456,
-        "narHash": "sha256-hGdgeU2Nk87RAuZyYjyDjFL6LK7dAZN5RE9+hrDTkDU=",
+        "lastModified": 1781074563,
+        "narHash": "sha256-md8WlXOlfnIeHeOScMTTHFyf2d6iaTwPl2apR5EQ3P4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "549bd84d6279f9852cae6225e372cc67fb91a4c1",
+        "rev": "9ae611a455b90cf061d8f332b977e387bda8e1ca",
         "type": "github"
       },
       "original": {
diff --git a/src/commutecompass/calendar_client.py b/src/commutecompass/calendar_client.py
index cba1c39..fcac1a3 100644
--- a/src/commutecompass/calendar_client.py
+++ b/src/commutecompass/calendar_client.py
@@ -56,7 +56,7 @@ def _load_credentials(self) -> Credentials:
             try:
                 from google.auth.transport.requests import Request
 
-                creds.refresh(Request())
+                creds.refresh(Request())  # type: ignore[no-untyped-call]
                 self._save_credentials(creds)
             except RefreshError as exc:
                 raise AuthError(