diff --git a/README.md b/README.md
index ba13016..b700eab 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![Build Status](https://dev.azure.com/dnceng/public/_apis/build/status/dotnet/try-samples/try-samples-ci?branchName=master)](https://dev.azure.com/dnceng/public/_build/latest?definitionId=548&branchName=master)
 ![dotnet try Enabled](https://img.shields.io/badge/Try_.NET-Enabled-501078.svg)
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/dotnet/try-samples/master?urlpath=lab)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/dotnet/try-samples/main?urlpath=lab)
 
 # Try .NET <img src ="https://user-images.githubusercontent.com/2546640/56708992-deee8780-66ec-11e9-9991-eb85abb1d10a.png" width="80px" alt="dotnet bot in space" align ="right">