diff --git a/pkgs/by-name/it/itsycal/package.nix b/pkgs/by-name/it/itsycal/package.nix
index b70d750920c8..cbb462430a43 100644
--- a/pkgs/by-name/it/itsycal/package.nix
+++ b/pkgs/by-name/it/itsycal/package.nix
@@ -6,11 +6,11 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "itsycal";
-  version = "0.15.4";
+  version = "0.15.5";
 
   src = fetchzip {
     url = "https://itsycal.s3.amazonaws.com/Itsycal-${finalAttrs.version}.zip";
-    hash = "sha256-+Pi74xP5BcjhgtR3YCqJknl54wdNIU8ekEwQUaFp4T8=";
+    hash = "sha256-kRO9zcyi8Di0NNuT158htKXt4wo7nVys+AV+1EgS1ZI=";
   };
 
   installPhase = ''