diff --git a/README.md b/README.md
index 612c10c5..13973baf 100644
--- a/README.md
+++ b/README.md
@@ -178,17 +178,17 @@ Output on a modern terminal with Unicode support:
 
 | Library           | Method        | Run Time, s |
 |-------------------|---------------|-------------|
-| libc              | printf        |   0.91      |
-| libc++            | std::ostream  |   2.49      |
-| {fmt} 9.1         | fmt::print    |   0.74      |
-| Boost Format 1.80 | boost::format |   6.26      |
-| Folly Format      | folly::format |   1.87      |
+| libc              | printf        |   0.66      |
+| libc++            | std::ostream  |   1.63      |
+| {fmt} 12.1        | fmt::print    |   0.44      |
+| Boost Format 1.88 | boost::format |   3.89      |
+| Folly Format      | folly::format |   1.28      |
 
-{fmt} is the fastest of the benchmarked methods, \~20% faster than
+{fmt} is the fastest of the benchmarked methods, \~50% faster than
 `printf`.
 
 The above results were generated by building `tinyformat_test.cpp` on
-macOS 12.6.1 with `clang++ -O3 -DNDEBUG -DSPEED_TEST -DHAVE_FORMAT`, and
+macOS 15.6.1 with `clang++ -O3 -DNDEBUG -DSPEED_TEST -DHAVE_FORMAT`, and
 taking the best of three runs. In the test, the format string
 `"%0.10f:%04d:%+g:%s:%p:%c:%%\n"` or equivalent is filled 2,000,000
 times with output sent to `/dev/null`; for further details refer to the