diff --git a/scripts/ci/migration_cli_benchmark.py b/scripts/ci/migration_cli_benchmark.py
index 0295de92..44ea2b88 100644
--- a/scripts/ci/migration_cli_benchmark.py
+++ b/scripts/ci/migration_cli_benchmark.py
@@ -543,6 +543,9 @@ def main() -> int:
             "NO_COLOR": "1",
             "TERM": "dumb",
             "PYTHONUNBUFFERED": "1",
+            # Prevent Rich from truncating long package names in table output.
+            # Matches the COLUMNS=10000 convention used in parity_completion_test.go.
+            "COLUMNS": "10000",
         }
     )
 
diff --git a/src/apm_cli/commands/deps/cli.py b/src/apm_cli/commands/deps/cli.py
index cbdd2b7b..14b18a17 100644
--- a/src/apm_cli/commands/deps/cli.py
+++ b/src/apm_cli/commands/deps/cli.py
@@ -405,7 +405,7 @@ def list_packages(global_, show_all, insecure_only):
         from rich.console import Console
 
         term_width = shutil.get_terminal_size((120, 24)).columns
-        console = Console(width=max(120, term_width))
+        console = Console(width=max(120, term_width), height=24)
         has_rich = True
     except ImportError:
         has_rich = False