diff --git a/pyproject.toml b/pyproject.toml
index ae08f59..138a9f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = ">=3.6,<3.10"
-redis = "3.5.3"
+redis = "^4.1.4"
 hiredis = ">=0.20"
 numpy = ">=1.19.5"
 six = ">=1.10.0"