diff --git a/Formula/libcore.rb b/Formula/libcore.rb
index 557d608..f2cce6d 100644
--- a/Formula/libcore.rb
+++ b/Formula/libcore.rb
@@ -1,20 +1,11 @@
 class Libcore < Formula
   desc "C++ library of types and utilities shared across EduceLab projects"
   homepage "https://github.com/educelab/libcore"
-  url "https://github.com/educelab/libcore/archive/refs/tags/v0.3.0-rc.1.tar.gz"
-  sha256 "a8b9a6625db695acad1a1a8779839152204edc70a9fd0074b1c5d04cf69d1a44"
+  url "https://github.com/educelab/libcore/archive/refs/tags/v0.3.0-rc.2.tar.gz"
+  sha256 "ba4aaa2921818529537e80b8b13296293d9916b9abfdf86e8454abab60eae233"
   license "GPL-3.0-or-later"
   head "https://github.com/educelab/libcore.git", branch: "develop"
 
-  bottle do
-    root_url "https://ghcr.io/v2/educelab/code"
-    rebuild 1
-    sha256 cellar: :any_skip_relocation, arm64_tahoe:   "a1aa92a5a4bc4e84d28e4bb2a009b909b530dac03b893f48ae2aab04607a8036"
-    sha256 cellar: :any_skip_relocation, arm64_sequoia: "a74f1c3f53a7d4becf34dc131abfe671206f79f9c0cdc901a91481a81738e207"
-    sha256 cellar: :any_skip_relocation, arm64_sonoma:  "3cddbe9efd66082223df5d613fe792be5372809186760ef04cef040ae8fb09de"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:  "73d12d114655f885ddc22442ab60737c78d973d47664acc56bc4f1a9b7c72a8c"
-  end
-
   depends_on "cmake" => [:build, :test]
 
   def install