diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7051ca6..ec00fda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- Increased timeout from 60 to 120 seconds.
 
 ## [0.2.0] - 2018-03-28
 ### Changed
diff --git a/template/after.sh.erb b/template/after.sh.erb
index 4215d4f..97fe00f 100644
--- a/template/after.sh.erb
+++ b/template/after.sh.erb
@@ -1,6 +1,6 @@
 # Wait for the Jupyter Notebook server to start
 echo "Waiting for Jupyter Notebook server to open port ${port}..."
-if wait_until_port_used "${host}:${port}" 60; then
+if wait_until_port_used "${host}:${port}" 120; then
   echo "Discovered Jupyter Notebook server listening on port ${port}!"
 else
   echo "Timed out waiting for Jupyter Notebook server to open port ${port}!"