diff --git a/.gitpod.Dockerfile b/.gitpod.Dockerfile
index affe9d7..20be133 100644
--- a/.gitpod.Dockerfile
+++ b/.gitpod.Dockerfile
@@ -6,8 +6,8 @@
 # More information: https://www.gitpod.io/docs/config-docker/
 
 RUN sudo apt-get update && \
-    wget https://storage.googleapis.com/dart-archive/channels/stable/release/2.8.1/linux_packages/dart_2.8.1-1_amd64.deb && \
-    sudo dpkg -i dart_2.8.1-1_amd64.deb && \
+    wget https://storage.googleapis.com/dart-archive/channels/stable/release/2.8.2/linux_packages/dart_2.8.2-1_amd64.deb && \
+    sudo dpkg -i dart_2.8.2-1_amd64.deb && \
     sudo apt-get install -y protobuf-compiler redis && \
     sudo apt-get update && \
     echo "export PATH=\"\$PATH:/usr/lib/dart/bin:\$HOME/.pub-cache/bin\"" >> $HOME/.bashrc && \
diff --git a/lib/services_gae.dart b/lib/services_gae.dart
index f3f9bde..1a003b6 100644
--- a/lib/services_gae.dart
+++ b/lib/services_gae.dart
@@ -22,10 +22,10 @@
 const String _API_PREFIX = '/api/dartservices/';
 const String _livenessCheck = '/liveness_check';
 const String _readinessCheck = '/readiness_check';
-// Serve content for 4 hours, +- 1 hour.
+// Serve content for 1.5 hours, +- 30 minutes.
 final DateTime _serveUntil = DateTime.now()
-    .add(Duration(hours: 3))
-    .add(Duration(minutes: Random().nextInt(120)));
+    .add(Duration(hours: 1))
+    .add(Duration(minutes: Random().nextInt(60)));
 
 final Logger _logger = Logger('gae_server');