diff --git a/src/pkg/runtime/race/README b/src/pkg/runtime/race/README
index c298218a07..0b73bd857e 100644
--- a/src/pkg/runtime/race/README
+++ b/src/pkg/runtime/race/README
@@ -9,4 +9,4 @@ $ ./buildgo.sh
 
 Tested with gcc 4.6.1 and 4.7.0.  On Windows it's built with 64-bit MinGW.
 
-Current runtime is built on rev 188542.
+Current runtime is built on rev 191161.
diff --git a/src/pkg/runtime/race/race_darwin_amd64.syso b/src/pkg/runtime/race/race_darwin_amd64.syso
index 18fabc217e..96a43c9a92 100644
Binary files a/src/pkg/runtime/race/race_darwin_amd64.syso and b/src/pkg/runtime/race/race_darwin_amd64.syso differ
diff --git a/src/pkg/runtime/race/race_linux_amd64.syso b/src/pkg/runtime/race/race_linux_amd64.syso
index d770031d5b..50bde9648e 100644
Binary files a/src/pkg/runtime/race/race_linux_amd64.syso and b/src/pkg/runtime/race/race_linux_amd64.syso differ
diff --git a/src/pkg/runtime/race/race_windows_amd64.syso b/src/pkg/runtime/race/race_windows_amd64.syso
index 4fd661f5b6..46eb1274fb 100644
Binary files a/src/pkg/runtime/race/race_windows_amd64.syso and b/src/pkg/runtime/race/race_windows_amd64.syso differ