diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index ed1c8b9..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-# Do not build feature branch with open Pull Requests
-skip_branch_with_pr: true
-
-# environment variables
-environment:
-  matrix:
-    - PYTHON: "C:\\Miniconda35-x64"
-      PYTHON_VERSION: "3.5.x"
-      PYTHON_MAJOR: 3
-      PYTHON_ARCH: "64"
-
-# scripts that run after cloning repository
-install:
-  # If there is a newer build queued for the same PR, cancel this one.
-  # The AppVeyor 'rollout builds' option is supposed to serve the same
-  # purpose but it is problematic because it tends to cancel builds pushed
-  # directly to master instead of just PR builds (or the converse).
-  # credits: JuliaLang developers.
-  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
-      https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
-      Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
-        throw "There are newer queued builds for this pull request, failing early." }
-
-  - set PATH=%PYTHON%;%PYTHON%\Scripts;%PATH%
-  - conda config --set always_yes yes --set changeps1 no
-  - conda install pip
-  - pip install invoke
-  - conda install pyyaml
-
-build: off
-
-test_script:
-  - 'invoke environment'
-  - 'invoke demofiles'
-  - 'invoke talk -t demo'
-  - 'invoke clean'
diff --git a/binder/environment.yml b/binder/environment.yml
index dcd1b54..0ab70e1 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -2,16 +2,16 @@ channels:
 - conda-forge
 dependencies:
 # Jupyter
-- jupyterlab=1.0
+- jupyterlab=2
 - nodejs=11
 - nbconvert=5.5
 - widgetsnbextension=3.5
 # Python Kernel
 - ipykernel=5.1
 - ipywidgets=7.5
-- ipyleaflet=0.11.1
+- ipyleaflet=0.12
 - altair=3.1
-- bqplot=0.11.6
+- bqplot=0.12
 - dask=2.1
 - matplotlib=3.1
 - pandas=0.24
diff --git a/tasks.py b/tasks.py
index 0aae9cc..919fa61 100644
--- a/tasks.py
+++ b/tasks.py
@@ -48,12 +48,12 @@ def build(ctx, env_name=env_name, kernel=True):
     '''
     ctx.run("""
         {0!s} activate {1!s} &&
-        jupyter labextension install @jupyterlab/fasta-extension@1.0 --no-build &&
-        jupyter labextension install @jupyterlab/geojson-extension@1.0 --no-build &&
-        jupyter labextension install @jupyterlab/plotly-extension@1.0 --no-build &&
-        jupyter labextension install @jupyter-widgets/jupyterlab-manager@1.0 --no-build &&
-        jupyter labextension install bqplot@0.4.6 --no-build &&
-        jupyter labextension install jupyter-leaflet@0.11 --no-build &&
+        jupyter labextension install @jupyterlab/fasta-extension@2.0 --no-build &&
+        jupyter labextension install @jupyterlab/geojson-extension@2.0 --no-build &&
+        jupyter labextension install jupyterlab-plotly@4.6 --no-build &&
+        jupyter labextension install @jupyter-widgets/jupyterlab-manager@2.0 --no-build &&
+        jupyter labextension install bqplot@0.5.6 --no-build &&
+        jupyter labextension install jupyter-leaflet@0.12 --no-build &&
         jupyter lab clean && jupyter lab build --dev-build=False
         """.format(source, env_name).strip().replace('\n', ''))
     if kernel: