diff --git a/poetry.lock b/poetry.lock
index 21c3fe2..5190dbc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1147,7 +1147,7 @@ name = "pycparser"
 version = "2.21"
 description = "C parser in Python"
 optional = false
-python-versions = "*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 files = [
     {file = "pycparser-2.21-py2.py3-none-any.whl", hash = "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9"},
     {file = "pycparser-2.21.tar.gz", hash = "sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206"},
@@ -1824,4 +1824,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "e49afa18957d55c83770415f5b44428202ea36b1f7a6787a73051401e0d9edf3"
+content-hash = "895e995c20f9be766e335c24bfd9ef118a97afe9668af39b20b6d8eb15b90add"
diff --git a/pyproject.toml b/pyproject.toml
index 7fb99ed..631789e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ pydantic = "2.0"
 python-dotenv = "1.0.0"
 etcd3-py = "0.1.6"
 aiohttp = "3.8.4"
-pydantic-settings = "^2.0.0"
+pydantic-settings = "2.0.0"
 typing-extensions = '4.6.3'
 
 [tool.poetry.group.dev.dependencies]
@@ -29,7 +29,7 @@ sqlacodegen = "2.3.0"
 # tests
 coverage = { version = "==7.2.7", extras = ["toml"] }
 pytest = "==7.4.0"
-pytest-cov = "^4.1.0"
+pytest-cov = "4.1.0"
 pytest-dotenv = "0.5.2"
 pytest-github-actions-annotate-failures = "==0.2.0"
 pytest-env = "==0.8.2"