diff --git a/pyproject.toml b/pyproject.toml
index 55a2cc9..2797bec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,6 @@ dependencies = [
   "email-validator>=2.2.0,<3.0.0",
   "redis>=5.2.0,<6.0.0",
   "redis-om>=0.3.3,<1.0.0",
-  "isodate>=0.7.2,<1.0.0",
   "neu-sdk @ git+https://github.com/poulet-lab/neu-sdk.git@0.1.6",
 ]