diff --git a/pyproject.toml b/pyproject.toml
index bc125ab..d48b572 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ enex2notion = "enex2notion.cli:main"
 python = "^3.7"
 beautifulsoup4 = "^4.11.1"
 python-dateutil = "^2.8.2"
-requests = "^2.27.1"
+requests = ">=2.27.1,<2.29"
 w3lib = "^1.22.0"
 tinycss2 = "^1.1.1"
 pdfkit = "^1.0.0"