diff --git a/pyproject.toml b/pyproject.toml
index e9fb14a..a35816f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ keywords = ["Redis JSON Extension"]
 
 [tool.poetry.dependencies]
 python = "^3.6"
-redis = "3.5.3"
+redis = "^4.2.0"
 six = "^1.16.0"
 cloudpickle = "^1.6.0"
 
@@ -37,7 +37,7 @@ tox-poetry = "^0.3.0"
 bandit = "^1.7.0"
 vulture = "^2.3"
 distro = "^1.5.0"
-rltest = "0.4.2"
+rltest = "0.5.2"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]