diff --git a/apps/mewbo_api/pyproject.toml b/apps/mewbo_api/pyproject.toml
index 4e0098ee..4d2849ed 100644
--- a/apps/mewbo_api/pyproject.toml
+++ b/apps/mewbo_api/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
   "flask>=3.0.3,<4.0.0",
   "flask-restx>=1.3.0,<2.0.0",
   "gunicorn>=22.0.0",
-  "imapclient>=3.0,<4.0",
+  "imapclient>=3.0,<5.0",
   "mistune>=3.0,<4.0",
 ]