diff --git a/pkgs/development/python-modules/caldav/default.nix b/pkgs/development/python-modules/caldav/default.nix
index 76ffc259e48f..1343bae47695 100644
--- a/pkgs/development/python-modules/caldav/default.nix
+++ b/pkgs/development/python-modules/caldav/default.nix
@@ -19,14 +19,14 @@
 
 buildPythonPackage rec {
   pname = "caldav";
-  version = "1.4.0";
+  version = "1.5.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "python-caldav";
     repo = "caldav";
     tag = "v${version}";
-    hash = "sha256-rixhEIcl37ZIiYFOnJY0Ww75xZy3o/436JcgLmoOGi0=";
+    hash = "sha256-SYjfQG4muuBcnVeu9cl00Zb2fGUhw157LLxA5/N5EJ0=";
   };
 
   build-system = [