diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d3dfcdc..d9b0078 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13, macos-14] # TODO: macos-15
+        os: [macos-13, macos-14, macos-15]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out the repository
diff --git a/metacall.rb b/metacall.rb
index a683b1d..bf4aec4 100644
--- a/metacall.rb
+++ b/metacall.rb
@@ -7,7 +7,7 @@ class Metacall < Formula
   head "https://github.com/metacall/core.git", branch: "develop"
 
   depends_on "cmake" => :build
-  depends_on "python@3.12"
+  depends_on "python@3.13"
   depends_on "ruby@3.3"
   # TODO: Enable Java
   # depends_on "openjdk"