diff --git a/pyproject.toml b/pyproject.toml
index 7580bf2d..1aaa7f41 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ dependencies = [
 
     # Utilities & Helpers
     "arrow>=1.3.0,<2.0.0",
-    "icalendar>=6.3.1,<7.0.0",
+    "icalendar>=6.3.1,<8.0.0",
     "django-common-helpers>=0.9.2,<1.0.0",
     "django-fullurl>=1.4,<2.0",
     "django-appconf>=1.1.0,<2.0.0",