diff --git a/testing/src/scenario/state.py b/testing/src/scenario/state.py
index 5d20ce56e..c8f3f6d76 100644
--- a/testing/src/scenario/state.py
+++ b/testing/src/scenario/state.py
@@ -1139,7 +1139,7 @@ def services(self) -> dict[str, pebble.ServiceInfo]:
             infos[name] = info
         return infos
 
-    def get_filesystem(self, ctx: Context) -> pathlib.Path:
+    def get_filesystem(self, ctx: Context[Any]) -> pathlib.Path:
         """Simulated Pebble filesystem in this context.
 
         Returns:
@@ -1490,7 +1490,7 @@ def __eq__(self, other: object) -> bool:
             return (self.name, self.index) == (other.name, other.index)
         return False
 
-    def get_filesystem(self, ctx: Context) -> pathlib.Path:
+    def get_filesystem(self, ctx: Context[Any]) -> pathlib.Path:
         """Simulated filesystem root in this context."""
         return ctx._get_storage_root(self.name, self.index)