diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index 7ff3a25b3df5..aa690e8d1100 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -115,6 +115,7 @@
   nslqqq = "Nikita Mikhailov <nslqqq@gmail.com>";
   ocharles = "Oliver Charles <ollie@ocharles.org.uk>";
   offline = "Jaka Hudoklin <jakahudoklin@gmail.com>";
+  olcai = "Erik Timan <dev@timan.info>";
   orbitz = "Malcolm Matalka <mmatalka@gmail.com>";
   page = "Carles Pagès <page@cubata.homelinux.net>";
   pashev = "Igor Pashev <pashev.igor@gmail.com>";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9140712d2c52..802f316d0260 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4688,6 +4688,7 @@ let
       description = "A parser/generator of iCalendar files";
       homepage = "http://icalendar.readthedocs.org/";
       license = licenses.bsd2;
+      maintainers = [ maintainers.olcai ];
     };
   };