diff --git a/update.bat b/update.bat
index f7160bf..3ff1fc7 100644
--- a/update.bat
+++ b/update.bat
@@ -1,6 +1,7 @@
 cd third_party
 
 cd rtaudio
+git checkout master
 git pull
 cd ..
 
@@ -10,6 +11,7 @@ git pull
 cd ..
 
 cd taskflow
+git checkout master
 git pull
 cd ..