diff --git a/spalloc_client/scripts/job.py b/spalloc_client/scripts/job.py
index 2d8cb6a05..737d6651a 100644
--- a/spalloc_client/scripts/job.py
+++ b/spalloc_client/scripts/job.py
@@ -340,7 +340,7 @@ def get_job_id(self, client: ProtocolClient,
         return cast(int, job_ids[0])
 
     @overrides(Script.get_parser)
-    def get_parser(self, cfg: Dict[str, Any]) -> argparse.ArgumentParser:
+    def get_parser(self, cfg: Dict[str, str]) -> argparse.ArgumentParser:
         parser = argparse.ArgumentParser(
             description="Manage running jobs.")
         parser.add_argument(
diff --git a/spalloc_client/scripts/machine.py b/spalloc_client/scripts/machine.py
index 687eb5246..5da62d6fa 100644
--- a/spalloc_client/scripts/machine.py
+++ b/spalloc_client/scripts/machine.py
@@ -257,7 +257,7 @@ def get_and_display_machine_info(
             show_machine(t, machines, jobs, args.machine, not args.detailed)
 
     @overrides(Script.get_parser)
-    def get_parser(self, cfg: Dict[str, Any]) -> argparse.ArgumentParser:
+    def get_parser(self, cfg: Dict[str, str]) -> argparse.ArgumentParser:
         parser = argparse.ArgumentParser(
             description="Get the state of individual machines.")
         parser.add_argument(
diff --git a/spalloc_client/scripts/ps.py b/spalloc_client/scripts/ps.py
index 6f4aea0b9..b2e055b3e 100644
--- a/spalloc_client/scripts/ps.py
+++ b/spalloc_client/scripts/ps.py
@@ -128,7 +128,7 @@ class ProcessListScript(Script):
     An object form Job scripts.
     """
     @overrides(Script.get_parser)
-    def get_parser(self, cfg: Dict[str, Any]) -> argparse.ArgumentParser:
+    def get_parser(self, cfg: Dict[str, str]) -> argparse.ArgumentParser:
         parser = argparse.ArgumentParser(description="List all active jobs.")
         parser.add_argument(
             "--version", "-V", action="version", version=__version__)
diff --git a/spalloc_client/scripts/support.py b/spalloc_client/scripts/support.py
index 7b0462f0e..e3b3fb6eb 100644
--- a/spalloc_client/scripts/support.py
+++ b/spalloc_client/scripts/support.py
@@ -55,7 +55,7 @@ class Script(object, metaclass=AbstractBase):
     def __init__(self) -> None:
         self.client_factory = ProtocolClient
 
-    def get_parser(self, cfg: Dict[str, Any]) -> ArgumentParser:
+    def get_parser(self, cfg: Dict[str, str]) -> ArgumentParser:
         """ Return a set-up instance of :py:class:`argparse.ArgumentParser`
         """
         raise NotImplementedError
diff --git a/spalloc_client/scripts/where_is.py b/spalloc_client/scripts/where_is.py
index b9e7cee57..bca63567a 100644
--- a/spalloc_client/scripts/where_is.py
+++ b/spalloc_client/scripts/where_is.py
@@ -88,7 +88,7 @@ def __init__(self) -> None:
         self.show_board_chip = False
 
     @overrides(Script.get_parser)
-    def get_parser(self, cfg: Dict[str, Any]) -> argparse.ArgumentParser:
+    def get_parser(self, cfg: Dict[str, str]) -> argparse.ArgumentParser:
         parser = argparse.ArgumentParser(
             description="Find out the location (physical or logical) of a "
                         "chip or board.")