diff --git a/Formula/p/pegtl.rb b/Formula/p/pegtl.rb
index b1a46c0f9b53e5..329927ce290b81 100644
--- a/Formula/p/pegtl.rb
+++ b/Formula/p/pegtl.rb
@@ -3,7 +3,8 @@ class Pegtl < Formula
   homepage "https://github.com/taocpp/PEGTL"
   url "https://github.com/taocpp/PEGTL/archive/refs/tags/3.2.7.tar.gz"
   sha256 "d6cd113d8bd14e98bcbe7b7f8fc1e1e33448dc359e8cd4cca30e034ec2f0642d"
-  license "BSL-1.0"
+  # license got changed to BSL-1.0 in main per https://github.com/taocpp/PEGTL/commit/c7630f1649906daf08b8ddca1420e66b542bae2b
+  license "MIT"
 
   bottle do
     rebuild 2
@@ -15,13 +16,16 @@ class Pegtl < Formula
   fails_with gcc: "5"
 
   def install
-    mkdir "build" do
-      system "cmake", "..", *std_cmake_args,
-                            "-DPEGTL_BUILD_TESTS=OFF",
-                            "-DPEGTL_BUILD_EXAMPLES=OFF",
-                            "-DCMAKE_CXX_STANDARD=17"
-      system "make", "install"
-    end
+    args = %w[
+      -DPEGTL_BUILD_TESTS=OFF
+      -DPEGTL_BUILD_EXAMPLES=OFF
+      -DCMAKE_CXX_STANDARD=17
+    ]
+
+    system "cmake", "-S", ".", "-B", "build", *args, *std_cmake_args
+    system "cmake", "--build", "build"
+    system "cmake", "--install", "build"
+
     rm "src/example/pegtl/CMakeLists.txt"
     (pkgshare/"examples").install (buildpath/"src/example/pegtl").children
   end