diff --git a/.binder/environment.yml b/.binder/environment.yml
index 4dde0049..faafc0cc 120000
--- a/.binder/environment.yml
+++ b/.binder/environment.yml
@@ -1 +1 @@
-../conda/environment.yaml
\ No newline at end of file
+../conda/environment.yml
\ No newline at end of file
diff --git a/README.md b/README.md
index 987a1a7c..7c5c4f4b 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,7 @@ Note that it can take a while for the site to fire up and that it will time-out
 | | |
 |-|-|
 | Try v2.17.x | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/underworldcode/underworld2/v2.17.x) | 
+| Try v2.16.4 | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/underworldcode/underworld2/v2.16.4) | 
 | Try dev | [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/underworldcode/underworld2/development) |