diff --git a/pyproject.toml b/pyproject.toml
index f7010d9f..666a6e9d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ dev = ["nox==2024.10.9"]
     "pyright==1.1.386",
     "typing-extensions>=4.12.2, <5",
     "types-polib>=1.2.0.20240327, <2",
-    "types-croniter>=3.0.0.20240727, <4",
+    "types-croniter>=3.0.0.20240727, <5",
 ]
 "dev.slotscheck" = ["slotscheck>=0.19.0, <1"]
 "dev.test" = [