diff --git a/pyproject.toml b/pyproject.toml
index 08d12ce..c8a5ec9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ requires-python = "<4.0, >=3.9"
 dependencies = [
     "click <9.0, >=8.1.3",
     "coloredlogs <16.0, >=15.0.1",
-    "python-dotenv <1.0, >=0.20.0",
+    "python-dotenv >=0.20.0, <2.0",
     "globus-sdk <4.0, >=3.7.0",
     "stanford-mais <1.0, >=0.50.1",
 ]