diff --git a/pyproject.toml b/pyproject.toml
index 4b36b05..1dd888e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = ">= 3.8.0"
+python = "^3.8.0"
 httpx = ">= 0.24"
 pydantic = ">= 2"
 typing-extensions = ">= 4.4.0"
@@ -43,6 +43,7 @@ coverage = { extras = ["toml"], version = "^7.3.2" }
 pytest = "^7.4.2"
 pytest-cov = "^4.1.0"
 pytest-httpx = "0.22.0"
+pytest-watcher = "^0.3.4"
 
 [tool.coverage.paths]
 source = ["src"]