diff --git a/poetry.lock b/poetry.lock
index ecc543a..4a85f21 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1135,7 +1135,7 @@ 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"},
@@ -1733,4 +1733,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "630969537904d9f8d6cc0b46b9112309f0f85164c5dcb9c8ceb0d210ea7171fe"
+content-hash = "82326c815c75ea7c40b8c5ad5d2422904e1b8dd68f1c70ee7a550d13a08ecb59"
diff --git a/pyproject.toml b/pyproject.toml
index 285da32..bf21785 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ 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"