diff --git a/pkgs/development/python-modules/redis/default.nix b/pkgs/development/python-modules/redis/default.nix
index 2da7470a838..35109e836fa 100644
--- a/pkgs/development/python-modules/redis/default.nix
+++ b/pkgs/development/python-modules/redis/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "redis";
-  version = "3.3.11";
+  version = "3.5.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8d0fc278d3f5e1249967cba2eb4a5632d19e45ce5c09442b8422d15ee2c22cc2";
+    sha256 = "0e7e0cfca8660dea8b7d5cd8c4f6c5e29e11f31158c0b0ae91a397f00e5a05a2";
   };
 
   # tests require a running redis