diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d7bedaec8d45..ad6af6032bcb 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4753,11 +4753,11 @@ let
   radicale = buildPythonPackage rec {
     name = "radicale-${version}";
     namePrefix = "";
-    version = "0.10";
+    version = "1.0.1";
 
     src = pkgs.fetchurl {
       url = "http://pypi.python.org/packages/source/R/Radicale/Radicale-${version}.tar.gz";
-      sha256 = "0r1x23h9raadpdmxnanvhajvkk0ix377mv94jlazr18nfpsj4r8c";
+      sha256 = "0q0vxqg32lp9bzbqn06x7igwq3a9hcmpspvj3icyf0rlg786i2p1";
     };
 
     propagatedBuildInputs = with self; [