diff --git a/README.md b/README.md
index 28c82e6..1e72b23 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ ESASky Jupyter widget - some Jupyter Notebook sample files in jupyter_samples fo
 - pyESASky-astroquery.ipynb (integration and overlay of Gaia DR2 data)
 
 
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/fab77/pyesasky/master)
+
 
 # Installation
 
diff --git a/postBuild b/postBuild
new file mode 100644
index 0000000..2cfa3d0
--- /dev/null
+++ b/postBuild
@@ -0,0 +1,2 @@
+jupyter nbextension install --py --sys-prefix pyesasky
+jupyter nbextension enable --py --sys-prefix pyesasky
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..30317e9
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+astroquery