diff --git a/pyproject.toml b/pyproject.toml
index d6139d8d..35d666f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,10 +33,10 @@ classifiers = [
 # `ci/environment-mindeps.yaml` conda environment. When updating minimum dependencies
 # here, make sure to also update `ci/environment-mindeps.yaml`.
 [tool.poetry.dependencies]
-python = ">=3.8,<4.0"
+python = ">=3.8"
 python-cmr = ">=0.9.0"
 pqdm = ">=0.1"
-requests = ">=2.26,<3.0.0"
+requests = ">=2.26"
 s3fs = ">=2022.11"
 fsspec = ">=2022.11"
 tinynetrc = "^1.3.1"