diff --git a/default.nix b/default.nix
index 25dfa48..d8537a1 100644
--- a/default.nix
+++ b/default.nix
@@ -2,7 +2,7 @@
 with pkgs;
   mkYarnPackage rec {
     pname = "untis-ics-sync";
-    version = "0.5.0";
+    version = "0.5.5";
 
     src = ./.;
 
diff --git a/package.json b/package.json
index eec6ed9..b0e9882 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "untis-ics-sync",
-  "version": "0.5.0",
+  "version": "0.5.5",
   "description": "Serves a calendar API (ICS) for events provided from Untis.",
   "author": "Luna Simons <luna@bddvlpr.com> (https://bddvlpr.com)",
   "bin": "dist/main.js",