diff --git a/gitlab/cli.py b/gitlab/cli.py
index c4af4b8db..f06f49d94 100644
--- a/gitlab/cli.py
+++ b/gitlab/cli.py
@@ -181,6 +181,7 @@ def _get_base_parser(add_help: bool = True) -> argparse.ArgumentParser:
             "[env var: GITLAB_TIMEOUT]"
         ),
         required=False,
+        type=int,
         default=os.getenv("GITLAB_TIMEOUT"),
     )
     parser.add_argument(
@@ -196,6 +197,7 @@ def _get_base_parser(add_help: bool = True) -> argparse.ArgumentParser:
             "[env var: GITLAB_PER_PAGE]"
         ),
         required=False,
+        type=int,
         default=os.getenv("GITLAB_PER_PAGE"),
     )
     parser.add_argument(
diff --git a/gitlab/v4/cli.py b/gitlab/v4/cli.py
index 7d8eab7f9..6830b0874 100644
--- a/gitlab/v4/cli.py
+++ b/gitlab/v4/cli.py
@@ -218,8 +218,8 @@ def _populate_sub_parser_by_class(
                     f"--{x.replace('_', '-')}", required=False
                 )
 
-            sub_parser_action.add_argument("--page", required=False)
-            sub_parser_action.add_argument("--per-page", required=False)
+            sub_parser_action.add_argument("--page", required=False, type=int)
+            sub_parser_action.add_argument("--per-page", required=False, type=int)
             sub_parser_action.add_argument("--all", required=False, action="store_true")
 
         if action_name == "delete":