diff --git a/pkgs/development/python-modules/icalendar/default.nix b/pkgs/development/python-modules/icalendar/default.nix
index 81c97a0ee48..c8a3a09fd55 100644
--- a/pkgs/development/python-modules/icalendar/default.nix
+++ b/pkgs/development/python-modules/icalendar/default.nix
@@ -7,12 +7,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "4.0.6";
+  version = "4.0.7";
   pname = "icalendar";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "17wpvngxv9q333ng3hm4k1qhiafmzipr7l2liwny7ar24qiyfvvy";
+    sha256 = "0fc18d87f66e0b5da84fa731389496cfe18e4c21304e8f6713556b2e8724a7a4";
   };
 
   buildInputs = [ setuptools ];