diff --git a/README.rst b/README.rst
index 0d01227d..4f94c5b8 100644
--- a/README.rst
+++ b/README.rst
@@ -164,9 +164,9 @@ Speed tests
 ================= ============= ===========
 Library           Method        Run Time, s
 ================= ============= ===========
-libc              printf          1.03
-libc++            std::ostream    2.98
-{fmt} 4de41a      fmt::print      0.76
+libc              printf          1.04
+libc++            std::ostream    3.05
+{fmt} 6.1.1      fmt::print       0.75
 Boost Format 1.67 boost::format   7.24
 Folly Format      folly::format   2.23
 ================= ============= ===========
@@ -174,7 +174,7 @@ Folly Format      folly::format   2.23
 {fmt} is the fastest of the benchmarked methods, ~35% faster than ``printf``.
 
 The above results were generated by building ``tinyformat_test.cpp`` on macOS
-10.14.3 with ``clang++ -O3 -DSPEED_TEST -DHAVE_FORMAT``, and taking the best of
+10.14.6 with ``clang++ -O3 -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 `source