diff --git a/pkgs/development/python-modules/rpy2/default.nix b/pkgs/development/python-modules/rpy2/default.nix
index ac5eb3a90e75..492b0f5434b7 100644
--- a/pkgs/development/python-modules/rpy2/default.nix
+++ b/pkgs/development/python-modules/rpy2/default.nix
@@ -24,13 +24,13 @@
 }:
 
 buildPythonPackage rec {
-    version = "3.5.3";
+    version = "3.5.4";
     pname = "rpy2";
 
     disabled = isPyPy;
     src = fetchPypi {
       inherit version pname;
-      sha256 = "sha256-U6CS1ItE9GQo+zDLMVVmTW0vevCOvExF35jfTEWkLMs=";
+      sha256 = "sha256-ugqHeyuW4n0gkTg9RlK4KqInHP9KUFJD1F2kMLcSqvU=";
     };
 
     patches = [