diff --git a/README.md b/README.md
index f453dee..c5fdb90 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 # Bazel zig cc toolchain
 
 This is a C/C++ toolchain that can (cross-)compile C/C++ programs. It contains
-clang-14, musl, glibc 2-2.34, all in a ~50MB package. Read
+clang-15, musl, glibc 2-2.34, all in a ~40MB package. Read
 [here](https://andrewkelley.me/post/zig-cc-powerful-drop-in-replacement-gcc-clang.html)
 about zig-cc; the rest of the README will present how to use this toolchain
 from Bazel.