diff --git a/pixi.lock b/pixi.lock
index 04994b4..5821efb 100644
--- a/pixi.lock
+++ b/pixi.lock
@@ -399,14 +399,14 @@ packages:
   requires_python: '>=3.7'
 - kind: pypi
   name: gridtk
-  version: 3.0.1.dev10+gc242a4b.d20240708
+  version: 3.0.1.dev12+g8928a47.d20240708
   path: .
-  sha256: 58131c0c43de9e6dc96dd1769664520aa4b76a519375da1e854ae084e634d489
+  sha256: 4407a9f85e14b004131599fd51a300faea2681261fdc94edb78ed2bed2d28775
   requires_dist:
-  - clapper
-  - click
-  - sqlalchemy>=2
-  - tabulate
+  - clapper~=1.1
+  - click~=8.1
+  - sqlalchemy~=2.0
+  - tabulate~=0.9.0
   - furo ; extra == 'doc'
   - myst-parser ; extra == 'doc'
   - sphinx ; extra == 'doc'
diff --git a/pyproject.toml b/pyproject.toml
index 8ed518e..08d8a0f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,12 @@ classifiers = [
   "Programming Language :: Python :: 3",
   "Topic :: System :: Distributed Computing",
 ]
-dependencies = ["clapper", "sqlalchemy>=2", "tabulate", "click"]
+dependencies = [
+  "clapper~=1.1",
+  "sqlalchemy~=2.0",
+  "tabulate~=0.9.0",
+  "click~=8.1",
+]
 
 [project.urls]
 documentation = "https://gridtk.readthedocs.io/en/latest/"
@@ -159,3 +164,6 @@ convention = "numpy"
 addopts = ["--cov=gridtk", "--cov-report=term-missing", "--import-mode=append"]
 junit_logging = "all"
 junit_log_passing_tests = false
+
+[tool.mypy]
+python_version = "3.12"
diff --git a/src/gridtk/cli.py b/src/gridtk/cli.py
index ab4f60c..2b7cf1f 100644
--- a/src/gridtk/cli.py
+++ b/src/gridtk/cli.py
@@ -62,7 +62,7 @@ def cli(ctx, database, logs_dir):
 
 @cli.result_callback()
 def process_result(result, **kwargs):
-    """Process the result of the command."""
+    """Delete the job manager from the context."""
     ctx = click.get_current_context()
     del ctx.meta["job_manager"]
 
diff --git a/tests/test_gridtk.py b/tests/test_gridtk.py
index 2b176d3..161c2ab 100644
--- a/tests/test_gridtk.py
+++ b/tests/test_gridtk.py
@@ -4,7 +4,6 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import json
-import subprocess
 import traceback
 
 from unittest.mock import Mock, patch
@@ -336,22 +335,6 @@ def test_resubmit_jobs(mock_check_output, runner):
         )
 
 
-def _diagnose_databaselock_error(tmpdir):
-    # ls -l /path/to/database/file
-    print(subprocess.run(["ls", "-al", f"{tmpdir}"]).stdout)  # noqa: T201
-    import sqlite3
-
-    try:
-        conn = sqlite3.connect(f"{tmpdir}/jobs.sql3")
-        cursor = conn.cursor()
-        cursor.execute("CREATE TABLE IF NOT EXISTS test_write (id INTEGER PRIMARY KEY)")
-        conn.commit()
-        conn.close()
-        print("Write successful")  # noqa: T201
-    except sqlite3.OperationalError as e:
-        print(f"Failed to write to the database: {e}")  # noqa: T201
-
-
 @patch("subprocess.check_output")
 def test_submit_with_dependencies(mock_check_output, runner):
     with runner.isolated_filesystem() as tmpdir:
@@ -475,7 +458,6 @@ def test_submit_with_dependencies(mock_check_output, runner):
             text=True,
         )
 
-        _diagnose_databaselock_error(tmpdir)
         # now delete all the jobs
         mock_check_output.side_effect = [
             _failed_job_sacct_json(first_grid_id),  # sacct